C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 191703
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1203 PM CDT Thu Jun 19 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
1203 PM CDT Thu Jun 19 2025 /103 PM EDT Thu Jun 19 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...This Afternoon and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk.
DISCUSSION...
There is a slight chance (around 15%) for an isolated
thunderstorms over northeast Illinois and northwest Indiana this
afternoon, mainly east of a Crystal Lake to Kankakee and
Lafayette line.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Friday...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Saturday and Sunday...
Elevated Excessive Heat Risk.
Monday...
Limited Thunderstorm Risk.
Elevated Excessive Heat Risk.
Tuesday and Wednesday...
Limited Thunderstorm Risk.
Limited Excessive Heat Risk.
DISCUSSION...
There is a chance (30-40%) that a thunderstorm complex could move
into northern Illinois from the northwest Friday morning. Though
these storms would likely be in a weakening phase, they may still
be able to produce damaging wind gusts.
Hot and humid weather will develop this weekend into early next
week. Peak afternoon heat indices at or above 100 degrees are
expected for several days.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the southeast at 35 mph.
https://wxn.io/5iycm
Thursday, June 19, 2025
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 190947
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
447 AM CDT Thu Jun 19 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
447 AM CDT Thu Jun 19 2025 /547 AM EDT Thu Jun 19 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk.
DISCUSSION...
There is a slight chance (around 15%) of a few isolated
thunderstorms over northeast Illinois and northwest Indiana this
afternoon, mainly east of a Crystal Lake to Kankakee and Lafayette
line. While no severe weather is expected, isolated wind gusts
gusts up to 45 mph may be possible with the strongest storms.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Friday...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Saturday and Sunday...
Elevated Excessive Heat Risk.
Monday...
Limited Thunderstorm Risk.
Elevated Excessive Heat Risk.
Tuesday and Wednesday...
Limited Thunderstorm Risk.
Limited Excessive Heat Risk.
DISCUSSION...
There is a chance (30-40%) that a thunderstorm complex could move
into northern Illinois from the northwest Friday morning. Though
these storms would likely be in a weakening phase, they may still
be able to produce damaging wind gusts.
Hot and humid weather will develop this weekend into early next
week. Peak afternoon heat indices at or above 100 degrees are
expected for several days.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the southeast at 35 mph.
https://wxn.io/3vzoe
FLUS43 KLOT 190947
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
447 AM CDT Thu Jun 19 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
447 AM CDT Thu Jun 19 2025 /547 AM EDT Thu Jun 19 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk.
DISCUSSION...
There is a slight chance (around 15%) of a few isolated
thunderstorms over northeast Illinois and northwest Indiana this
afternoon, mainly east of a Crystal Lake to Kankakee and Lafayette
line. While no severe weather is expected, isolated wind gusts
gusts up to 45 mph may be possible with the strongest storms.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Friday...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Saturday and Sunday...
Elevated Excessive Heat Risk.
Monday...
Limited Thunderstorm Risk.
Elevated Excessive Heat Risk.
Tuesday and Wednesday...
Limited Thunderstorm Risk.
Limited Excessive Heat Risk.
DISCUSSION...
There is a chance (30-40%) that a thunderstorm complex could move
into northern Illinois from the northwest Friday morning. Though
these storms would likely be in a weakening phase, they may still
be able to produce damaging wind gusts.
Hot and humid weather will develop this weekend into early next
week. Peak afternoon heat indices at or above 100 degrees are
expected for several days.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the southeast at 35 mph.
https://wxn.io/3vzoe
Wednesday, June 18, 2025
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 190221 AAA
HWOLOT
Hazardous Weather Outlook...UPDATED
National Weather Service Chicago/Romeoville IL
921 PM CDT Wed Jun 18 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
921 PM CDT Wed Jun 18 2025 /1021 PM EDT Wed Jun 18 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Friday...
Limited Thunderstorm Risk.
Saturday through Monday...
Elevated Excessive Heat Risk.
Tuesday...
Limited Thunderstorm Risk.
Limited Excessive Heat Risk.
DISCUSSION...
Hot and humid weather will develop this weekend into early next
week. Peak afternoon heat indices at or above 100 degrees are
expected for several days.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/dyeoo
FLUS43 KLOT 190221 AAA
HWOLOT
Hazardous Weather Outlook...UPDATED
National Weather Service Chicago/Romeoville IL
921 PM CDT Wed Jun 18 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
921 PM CDT Wed Jun 18 2025 /1021 PM EDT Wed Jun 18 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Friday...
Limited Thunderstorm Risk.
Saturday through Monday...
Elevated Excessive Heat Risk.
Tuesday...
Limited Thunderstorm Risk.
Limited Excessive Heat Risk.
DISCUSSION...
Hot and humid weather will develop this weekend into early next
week. Peak afternoon heat indices at or above 100 degrees are
expected for several days.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/dyeoo
Areal Flood Advisory Expiration for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
WGUS83 KLOT 190125
FLSLOT
Flood Advisory
National Weather Service Chicago IL
825 PM CDT Wed Jun 18 2025
/O.EXP.KLOT.FA.Y.0015.000000T0000Z-250619T0130Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boone IL-De Kalb IL-Lee IL-McHenry IL-Ogle IL-
825 PM CDT Wed Jun 18 2025
...FLOOD ADVISORY WILL EXPIRE AT 830 PM CDT THIS EVENING...
The Flood Advisory will expire at 830 PM CDT this evening for
portions of north central and northeast Illinois, including the
following areas, in north central Illinois, Boone, De Kalb, Lee and
Ogle. In northeast Illinois, McHenry.
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
&&
LAT...LON 4204 8910 4215 8894 4249 8871 4250 8820
4216 8820 4216 8859 4190 8860 4189 8894
4177 8894 4176 8963 4190 8963 4191 8944
https://wxn.io/zx42f
WGUS83 KLOT 190125
FLSLOT
Flood Advisory
National Weather Service Chicago IL
825 PM CDT Wed Jun 18 2025
/O.EXP.KLOT.FA.Y.0015.000000T0000Z-250619T0130Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boone IL-De Kalb IL-Lee IL-McHenry IL-Ogle IL-
825 PM CDT Wed Jun 18 2025
...FLOOD ADVISORY WILL EXPIRE AT 830 PM CDT THIS EVENING...
The Flood Advisory will expire at 830 PM CDT this evening for
portions of north central and northeast Illinois, including the
following areas, in north central Illinois, Boone, De Kalb, Lee and
Ogle. In northeast Illinois, McHenry.
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
&&
LAT...LON 4204 8910 4215 8894 4249 8871 4250 8820
4216 8820 4216 8859 4190 8860 4189 8894
4177 8894 4176 8963 4190 8963 4191 8944
https://wxn.io/zx42f
Areal Flood Advisory for McHenry Co., IL until 8:30 PM CDT 6/18
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
WGUS83 KLOT 182304
FLSLOT
Flood Advisory
National Weather Service Chicago IL
604 PM CDT Wed Jun 18 2025
/O.CON.KLOT.FA.Y.0015.000000T0000Z-250619T0130Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boone IL-De Kalb IL-Lee IL-McHenry IL-Ogle IL-
604 PM CDT Wed Jun 18 2025
...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 830 PM CDT THIS EVENING...
* WHAT...Flooding caused by excessive rainfall continues.
* WHERE...Portions of north central and northeast Illinois,
including the following counties, in north central Illinois,
Boone, De Kalb, Lee and Ogle. In northeast Illinois, McHenry.
* WHEN...Until 830 PM CDT.
* IMPACTS...Creeks and streams may rise out of their banks.
Underpasses may be flooded. Roads and streets may be flooded.
* ADDITIONAL DETAILS...
- At 602 PM CDT, Doppler radar indicated heavy rainfall rates
exceeding 1 inch per hour due to slow moving showers. Up to 2
inches of rain have fallen near Belvidere and Harvard.
- Rainfall amounts up to 2 inches are possible due to this
shower activity.
- Some locations that may experience flooding include...
DeKalb, Crystal Lake, Algonquin, Lake in the Hills, McHenry,
Belvidere, Woodstock, Huntley, Sycamore, Dixon, Fox Lake,
Rochelle, Harvard, Island Lake, Marengo, Poplar Grove, Genoa,
Cary, Johnsburg and Lakemoor.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flood Advisory means minor flooding along waterways and other poor
drainage areas is imminent or may already be occurring. Persons in
the advisory area should use caution and avoid flood waters.
&&
LAT...LON 4204 8910 4215 8894 4249 8871 4250 8820
4216 8820 4216 8859 4190 8860 4189 8894
4177 8894 4176 8963 4190 8963 4191 8944
https://wxn.io/lkdcu
WGUS83 KLOT 182304
FLSLOT
Flood Advisory
National Weather Service Chicago IL
604 PM CDT Wed Jun 18 2025
/O.CON.KLOT.FA.Y.0015.000000T0000Z-250619T0130Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boone IL-De Kalb IL-Lee IL-McHenry IL-Ogle IL-
604 PM CDT Wed Jun 18 2025
...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 830 PM CDT THIS EVENING...
* WHAT...Flooding caused by excessive rainfall continues.
* WHERE...Portions of north central and northeast Illinois,
including the following counties, in north central Illinois,
Boone, De Kalb, Lee and Ogle. In northeast Illinois, McHenry.
* WHEN...Until 830 PM CDT.
* IMPACTS...Creeks and streams may rise out of their banks.
Underpasses may be flooded. Roads and streets may be flooded.
* ADDITIONAL DETAILS...
- At 602 PM CDT, Doppler radar indicated heavy rainfall rates
exceeding 1 inch per hour due to slow moving showers. Up to 2
inches of rain have fallen near Belvidere and Harvard.
- Rainfall amounts up to 2 inches are possible due to this
shower activity.
- Some locations that may experience flooding include...
DeKalb, Crystal Lake, Algonquin, Lake in the Hills, McHenry,
Belvidere, Woodstock, Huntley, Sycamore, Dixon, Fox Lake,
Rochelle, Harvard, Island Lake, Marengo, Poplar Grove, Genoa,
Cary, Johnsburg and Lakemoor.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flood Advisory means minor flooding along waterways and other poor
drainage areas is imminent or may already be occurring. Persons in
the advisory area should use caution and avoid flood waters.
&&
LAT...LON 4204 8910 4215 8894 4249 8871 4250 8820
4216 8820 4216 8859 4190 8860 4189 8894
4177 8894 4176 8963 4190 8963 4191 8944
https://wxn.io/lkdcu
Special Weather Statement for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
WWUS83 KLOT 182239
SPSLOT
Special Weather Statement
National Weather Service Chicago/Romeoville
539 PM CDT Wed Jun 18 2025
De Kalb IL-Boone IL-McHenry IL-Ogle IL-Lee IL-
539 PM CDT Wed Jun 18 2025
...FUNNEL CLOUDS POSSIBLE ACROSS CENTRAL LEE...SOUTHEASTERN
OGLE...NORTHWESTERN DE KALB...NORTHWESTERN MCHENRY AND SOUTHERN
BOONE COUNTIES THROUGH 630 PM CDT...
Showers and embedded thunderstorms will continue to shift east
across parts of Lee, Ogle, Boone, McHenry, and NW DeKalb Counties.
Conditions are favorable for funnel clouds with these showers. In
rare occasions, these funnel clouds can briefly reach the ground as
a weak landspout tornado. If they occur, these type of landspouts
tend to weak, brief, and tend to produce minimal damage. Movement
was east at 25 mph.
If threatening weather approaches, seek shelter indoors.
Locations impacted include...
Amboy, Lindenwood, Fairdale, Ashton, Kings, Chana, Harvard, Hebron,
Franklin Grove, Hillcrest, Nachusa, Garden Prairie, Chemung, Eldena,
Greenwood, Kirkland, Davis Junction, Lee Center, Rochelle, Woodhaven
Lakes, Monroe Center, Marengo, Belvidere, Richmond, and Wonder Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4249 8820 4201 8892 4159 8936 4159 8963
4204 8922 4215 8906 4215 8894 4223 8894
4249 8856
TIME...MOT...LOC 2238Z 260DEG 22KT 4239 8857 4203 8916 4165 8949
LANDSPOUT...POSSIBLE
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
https://wxn.io/oeom2
WWUS83 KLOT 182239
SPSLOT
Special Weather Statement
National Weather Service Chicago/Romeoville
539 PM CDT Wed Jun 18 2025
De Kalb IL-Boone IL-McHenry IL-Ogle IL-Lee IL-
539 PM CDT Wed Jun 18 2025
...FUNNEL CLOUDS POSSIBLE ACROSS CENTRAL LEE...SOUTHEASTERN
OGLE...NORTHWESTERN DE KALB...NORTHWESTERN MCHENRY AND SOUTHERN
BOONE COUNTIES THROUGH 630 PM CDT...
Showers and embedded thunderstorms will continue to shift east
across parts of Lee, Ogle, Boone, McHenry, and NW DeKalb Counties.
Conditions are favorable for funnel clouds with these showers. In
rare occasions, these funnel clouds can briefly reach the ground as
a weak landspout tornado. If they occur, these type of landspouts
tend to weak, brief, and tend to produce minimal damage. Movement
was east at 25 mph.
If threatening weather approaches, seek shelter indoors.
Locations impacted include...
Amboy, Lindenwood, Fairdale, Ashton, Kings, Chana, Harvard, Hebron,
Franklin Grove, Hillcrest, Nachusa, Garden Prairie, Chemung, Eldena,
Greenwood, Kirkland, Davis Junction, Lee Center, Rochelle, Woodhaven
Lakes, Monroe Center, Marengo, Belvidere, Richmond, and Wonder Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4249 8820 4201 8892 4159 8936 4159 8963
4204 8922 4215 8906 4215 8894 4223 8894
4249 8856
TIME...MOT...LOC 2238Z 260DEG 22KT 4239 8857 4203 8916 4165 8949
LANDSPOUT...POSSIBLE
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
https://wxn.io/oeom2
Areal Flood Advisory for McHenry Co., IL until 8:30 PM CDT 6/18
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
WGUS83 KLOT 182233
FLSLOT
Flood Advisory
National Weather Service Chicago IL
533 PM CDT Wed Jun 18 2025
/O.NEW.KLOT.FA.Y.0015.250618T2233Z-250619T0130Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boone IL-De Kalb IL-Lee IL-McHenry IL-Ogle IL-
533 PM CDT Wed Jun 18 2025
...FLOOD ADVISORY IN EFFECT UNTIL 830 PM CDT THIS EVENING...
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Portions of north central and northeast Illinois,
including the following counties, in north central Illinois,
Boone, De Kalb, Lee and Ogle. In northeast Illinois, McHenry.
* WHEN...Until 830 PM CDT.
* IMPACTS...Creeks and streams may rise out of their banks.
Underpasses may be flooded. Roads and streets may be flooded.
* ADDITIONAL DETAILS...
- At 531 PM CDT, Doppler radar indicated heavy rainfall moving
into the area with rainfall rates exceeding 1 inch per hour.
Up to 0.5 inches of rain have fallen.
- Isolated rainfall amounts up to 2 inches are possible over
the area, which may cause flooding.
- Some locations that will experience flooding include...
DeKalb, Crystal Lake, Algonquin, Lake in the Hills, McHenry,
Belvidere, Woodstock, Huntley, Sycamore, Dixon, Fox Lake,
Rochelle, Harvard, Island Lake, Marengo, Poplar Grove, Genoa,
Cary, Johnsburg and Lakemoor.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flood Advisory means minor flooding along waterways and other poor
drainage areas is imminent or may already be occurring. Persons in
the advisory area should use caution and avoid flood waters.
&&
LAT...LON 4204 8910 4215 8894 4249 8871 4250 8820
4216 8820 4216 8859 4190 8860 4189 8894
4177 8894 4176 8963 4190 8963 4191 8944
https://wxn.io/axzj2
WGUS83 KLOT 182233
FLSLOT
Flood Advisory
National Weather Service Chicago IL
533 PM CDT Wed Jun 18 2025
/O.NEW.KLOT.FA.Y.0015.250618T2233Z-250619T0130Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boone IL-De Kalb IL-Lee IL-McHenry IL-Ogle IL-
533 PM CDT Wed Jun 18 2025
...FLOOD ADVISORY IN EFFECT UNTIL 830 PM CDT THIS EVENING...
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Portions of north central and northeast Illinois,
including the following counties, in north central Illinois,
Boone, De Kalb, Lee and Ogle. In northeast Illinois, McHenry.
* WHEN...Until 830 PM CDT.
* IMPACTS...Creeks and streams may rise out of their banks.
Underpasses may be flooded. Roads and streets may be flooded.
* ADDITIONAL DETAILS...
- At 531 PM CDT, Doppler radar indicated heavy rainfall moving
into the area with rainfall rates exceeding 1 inch per hour.
Up to 0.5 inches of rain have fallen.
- Isolated rainfall amounts up to 2 inches are possible over
the area, which may cause flooding.
- Some locations that will experience flooding include...
DeKalb, Crystal Lake, Algonquin, Lake in the Hills, McHenry,
Belvidere, Woodstock, Huntley, Sycamore, Dixon, Fox Lake,
Rochelle, Harvard, Island Lake, Marengo, Poplar Grove, Genoa,
Cary, Johnsburg and Lakemoor.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flood Advisory means minor flooding along waterways and other poor
drainage areas is imminent or may already be occurring. Persons in
the advisory area should use caution and avoid flood waters.
&&
LAT...LON 4204 8910 4215 8894 4249 8871 4250 8820
4216 8820 4216 8859 4190 8860 4189 8894
4177 8894 4176 8963 4190 8963 4191 8944
https://wxn.io/axzj2
Special Weather Statement for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
WWUS83 KLOT 182156
SPSLOT
Special Weather Statement
National Weather Service Chicago/Romeoville
456 PM CDT Wed Jun 18 2025
McHenry IL-
456 PM CDT Wed Jun 18 2025
...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN MCHENRY COUNTY
THROUGH 530 PM CDT...
At 455 PM CDT, Doppler radar was tracking a strong thunderstorm
capable of producing funnel clouds or a landspout over Walworth, or
near Harvard, moving south at 10 mph.
HAZARD...Landspouts and wind gusts up to 50 mph.
SOURCE...Radar indicated.
IMPACT...Minor damage to outdoor objects is possible. Gusty winds
could knock down tree limbs and blow around unsecured
objects.
Locations impacted include...
Chemung and Harvard.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4240 8853 4241 8870 4249 8870 4250 8854
TIME...MOT...LOC 2155Z 012DEG 8KT 4251 8862
LANDSPOUT...POSSIBLE
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
https://wxn.io/2v0jk
WWUS83 KLOT 182156
SPSLOT
Special Weather Statement
National Weather Service Chicago/Romeoville
456 PM CDT Wed Jun 18 2025
McHenry IL-
456 PM CDT Wed Jun 18 2025
...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN MCHENRY COUNTY
THROUGH 530 PM CDT...
At 455 PM CDT, Doppler radar was tracking a strong thunderstorm
capable of producing funnel clouds or a landspout over Walworth, or
near Harvard, moving south at 10 mph.
HAZARD...Landspouts and wind gusts up to 50 mph.
SOURCE...Radar indicated.
IMPACT...Minor damage to outdoor objects is possible. Gusty winds
could knock down tree limbs and blow around unsecured
objects.
Locations impacted include...
Chemung and Harvard.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4240 8853 4241 8870 4249 8870 4250 8854
TIME...MOT...LOC 2155Z 012DEG 8KT 4251 8862
LANDSPOUT...POSSIBLE
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
https://wxn.io/2v0jk
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 182116
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
416 PM CDT Wed Jun 18 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
416 PM CDT Wed Jun 18 2025 /516 PM EDT Wed Jun 18 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Elevated Thunderstorm Risk.
Limited Flooding Risk.
DISCUSSION...
Scattered thunderstorms will continue southeast of Interstate 57
and along the Interstate 39 corridor in north central Illinois through
early evening. The main hazards with these storms will be torrential
rainfall which could result in flash flooding. The main concern area
for flooding will be northeast of Interstate 55.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Friday...
Limited Thunderstorm Risk.
Saturday through Monday...
Elevated Excessive Heat Risk.
Tuesday...
Limited Thunderstorm Risk.
Limited Excessive Heat Risk.
DISCUSSION...
Hot and humid weather will develop this weekend into
early next week. Peak afternoon heat indices at or above 100
degrees are expected for several days.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not needed, however reports of any flooding will
be appreciated.
GENERAL STORM MOTION OF THE DAY:
For areas southeast of Interstate 57, moving toward the northeast at 40 mph
For areas farther northwest toward Rockford, slow storm motions to the east
at 5 to 10 mph.
https://wxn.io/p8y6d
FLUS43 KLOT 182116
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
416 PM CDT Wed Jun 18 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
416 PM CDT Wed Jun 18 2025 /516 PM EDT Wed Jun 18 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Elevated Thunderstorm Risk.
Limited Flooding Risk.
DISCUSSION...
Scattered thunderstorms will continue southeast of Interstate 57
and along the Interstate 39 corridor in north central Illinois through
early evening. The main hazards with these storms will be torrential
rainfall which could result in flash flooding. The main concern area
for flooding will be northeast of Interstate 55.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Friday...
Limited Thunderstorm Risk.
Saturday through Monday...
Elevated Excessive Heat Risk.
Tuesday...
Limited Thunderstorm Risk.
Limited Excessive Heat Risk.
DISCUSSION...
Hot and humid weather will develop this weekend into
early next week. Peak afternoon heat indices at or above 100
degrees are expected for several days.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not needed, however reports of any flooding will
be appreciated.
GENERAL STORM MOTION OF THE DAY:
For areas southeast of Interstate 57, moving toward the northeast at 40 mph
For areas farther northwest toward Rockford, slow storm motions to the east
at 5 to 10 mph.
https://wxn.io/p8y6d
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 181645
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1145 AM CDT Wed Jun 18 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
1145 AM CDT Wed Jun 18 2025 /1245 PM EDT Wed Jun 18 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...This Afternoon and Tonight.
Weather hazards expected...
Significant Thunderstorm Risk...with an associated:
Level 3 of 5 Tornado Risk.
Level 3 of 5 Damaging Wind Risk...up to 70 mph.
Level 2 of 5 Large Hail Risk...up to quarter size.
Elevated Flooding Risk.
DISCUSSION...
Thunderstorms are likely this afternoon, likely ending early this
evening. Some of these storms may be severe, especially along and
southeast of I-55 across eastern Illinois and northwest Indiana.
The primary severe threat will be damaging winds and tornadoes,
however a few instance are large hail are also possible. In
addition, thunderstorms today will be capable of producing
torrential rainfall which could result in flash flooding.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday and Friday...
Limited Thunderstorm Risk.
Saturday through Monday...
Limited Excessive Heat Risk.
Tuesday...
Limited Thunderstorm Risk.
DISCUSSION...
Hot and humid weather is expected to develop this weekend into
early next week. Peak afternoon heat indices at or above 100
degrees are expected.
.SPOTTER INFORMATION STATEMENT...
Spotters will likely be needed this afternoon.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at around 35 mph.
https://wxn.io/t4slv
FLUS43 KLOT 181645
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1145 AM CDT Wed Jun 18 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
1145 AM CDT Wed Jun 18 2025 /1245 PM EDT Wed Jun 18 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...This Afternoon and Tonight.
Weather hazards expected...
Significant Thunderstorm Risk...with an associated:
Level 3 of 5 Tornado Risk.
Level 3 of 5 Damaging Wind Risk...up to 70 mph.
Level 2 of 5 Large Hail Risk...up to quarter size.
Elevated Flooding Risk.
DISCUSSION...
Thunderstorms are likely this afternoon, likely ending early this
evening. Some of these storms may be severe, especially along and
southeast of I-55 across eastern Illinois and northwest Indiana.
The primary severe threat will be damaging winds and tornadoes,
however a few instance are large hail are also possible. In
addition, thunderstorms today will be capable of producing
torrential rainfall which could result in flash flooding.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday and Friday...
Limited Thunderstorm Risk.
Saturday through Monday...
Limited Excessive Heat Risk.
Tuesday...
Limited Thunderstorm Risk.
DISCUSSION...
Hot and humid weather is expected to develop this weekend into
early next week. Peak afternoon heat indices at or above 100
degrees are expected.
.SPOTTER INFORMATION STATEMENT...
Spotters will likely be needed this afternoon.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at around 35 mph.
https://wxn.io/t4slv
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 180946
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
446 AM CDT Wed Jun 18 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
446 AM CDT Wed Jun 18 2025 /546 AM EDT Wed Jun 18 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Significant Thunderstorm Risk...with an associated:
Level 3 of 5 Damaging Wind Risk...up to 70 mph.
Level 2 of 5 Tornado Risk.
Level 2 of 5 Large Hail Risk...up to quarter size.
Elevated Flooding Risk.
DISCUSSION...
Thunderstorms are expected today, becoming more numerous late
this morning and this afternoon. Some of these storms may be
severe, especially along and southeast of I-55 across eastern
Illinois and northwest Indiana. Damaging winds, large hail and
tornadoes are possible, in addition to locally heavy rainfall.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday and Friday...
Limited Thunderstorm Risk.
Saturday through Monday...
Limited Excessive Heat Risk.
Tuesday...
Limited Thunderstorm Risk.
DISCUSSION...
Hot and humid weather is expected to develop this weekend into
early next week. Peak afternoon heat indices at or above 100
degrees are expected.
Isolated strong storms are possible across southeast Wisconsin
Thursday afternoon and evening, and again Friday afternoon. A few
of these could clip far northeast Illinois near the Wisconsin
border, with a brief damaging wind and hail threat.
.SPOTTER INFORMATION STATEMENT...
Spotters will likely be needed this afternoon.
GENERAL STORM MOTION OF THE DAY:
Moving toward the east-northeast at 30 mph this morn...
https://wxn.io/srul9
FLUS43 KLOT 180946
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
446 AM CDT Wed Jun 18 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
446 AM CDT Wed Jun 18 2025 /546 AM EDT Wed Jun 18 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Significant Thunderstorm Risk...with an associated:
Level 3 of 5 Damaging Wind Risk...up to 70 mph.
Level 2 of 5 Tornado Risk.
Level 2 of 5 Large Hail Risk...up to quarter size.
Elevated Flooding Risk.
DISCUSSION...
Thunderstorms are expected today, becoming more numerous late
this morning and this afternoon. Some of these storms may be
severe, especially along and southeast of I-55 across eastern
Illinois and northwest Indiana. Damaging winds, large hail and
tornadoes are possible, in addition to locally heavy rainfall.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday and Friday...
Limited Thunderstorm Risk.
Saturday through Monday...
Limited Excessive Heat Risk.
Tuesday...
Limited Thunderstorm Risk.
DISCUSSION...
Hot and humid weather is expected to develop this weekend into
early next week. Peak afternoon heat indices at or above 100
degrees are expected.
Isolated strong storms are possible across southeast Wisconsin
Thursday afternoon and evening, and again Friday afternoon. A few
of these could clip far northeast Illinois near the Wisconsin
border, with a brief damaging wind and hail threat.
.SPOTTER INFORMATION STATEMENT...
Spotters will likely be needed this afternoon.
GENERAL STORM MOTION OF THE DAY:
Moving toward the east-northeast at 30 mph this morn...
https://wxn.io/srul9
Tuesday, June 17, 2025
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 172046
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
346 PM CDT Tue Jun 17 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
346 PM CDT Tue Jun 17 2025 /446 PM EDT Tue Jun 17 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Elevated Thunderstorm Risk.
Limited Flooding Risk.
DISCUSSION...
Scattered thunderstorms are likely tonight, especially this
evening. Cloud to ground lightning, briefly gusty winds, and
torrential downpours will be the primary threats.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Wednesday...
Limited Flooding Risk.
Elevated Thunderstorm Risk...with an associated:
Level 3 of 5 Severe Thunderstorm Risk.
Saturday through Monday...
Elevated Excessive Heat Risk.
DISCUSSION...
Thunderstorms are likely Wednesday. There is a chance that a few
of the storms could be severe, especially across northwest
Indiana. If severe thunderstorms occur, damaging winds, large
hail and tornadoes would all be possible, in addition to locally
heavy rainfall.
Isolated strong storms are possible across southeast Wisconsin
late Thursday afternoon and evening. A few of these could clip
far northeast Illinois near the Wisconsin border, with a brief
damaging wind and hail threat.
Peak afternoon heat indices near or above 100 degrees are
expected this weekend into early next week.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the east-northeast at 25 mph.
https://wxn.io/4569g
FLUS43 KLOT 172046
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
346 PM CDT Tue Jun 17 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
346 PM CDT Tue Jun 17 2025 /446 PM EDT Tue Jun 17 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Elevated Thunderstorm Risk.
Limited Flooding Risk.
DISCUSSION...
Scattered thunderstorms are likely tonight, especially this
evening. Cloud to ground lightning, briefly gusty winds, and
torrential downpours will be the primary threats.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Wednesday...
Limited Flooding Risk.
Elevated Thunderstorm Risk...with an associated:
Level 3 of 5 Severe Thunderstorm Risk.
Saturday through Monday...
Elevated Excessive Heat Risk.
DISCUSSION...
Thunderstorms are likely Wednesday. There is a chance that a few
of the storms could be severe, especially across northwest
Indiana. If severe thunderstorms occur, damaging winds, large
hail and tornadoes would all be possible, in addition to locally
heavy rainfall.
Isolated strong storms are possible across southeast Wisconsin
late Thursday afternoon and evening. A few of these could clip
far northeast Illinois near the Wisconsin border, with a brief
damaging wind and hail threat.
Peak afternoon heat indices near or above 100 degrees are
expected this weekend into early next week.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the east-northeast at 25 mph.
https://wxn.io/4569g
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 171706
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1206 PM CDT Tue Jun 17 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
1206 PM CDT Tue Jun 17 2025 /106 PM EDT Tue Jun 17 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...This Afternoon and Tonight.
Weather hazards expected...
Elevated Thunderstorm Risk...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph.
DISCUSSION...
Scattered thunderstorms are expected to develop across northwest
Illinois later this afternoon, then move eastward across the rest
of northern Illinois and possibly into northwest Indiana this
evening. Cloud to ground lightning, briefly gusty winds, and
torrential downpours will be the primary threats, though one or
two of the stronger storms could produce very localized damaging
winds up to 60 mph.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Wednesday...
Limited Flooding Risk.
Elevated Thunderstorm Risk...with an associated:
Level 3 of 5 Severe Thunderstorm Risk.
Thursday...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Saturday through Monday...
Limited Excessive Heat Risk.
DISCUSSION...
Thunderstorms are likely Wednesday ahead of a cold front which
will move through the area Wednesday evening. Strong to severe
thunderstorms are possible especially during the afternoon hours.
Damaging winds, large hail and brief tornadoes are possible, in
addition to locally heavy rainfall.
Isolated strong storms are possible across southeast Wisconsin
late Thursday afternoon and evening. A few of these could clip far
northeas...
https://wxn.io/dr0n7
FLUS43 KLOT 171706
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1206 PM CDT Tue Jun 17 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
1206 PM CDT Tue Jun 17 2025 /106 PM EDT Tue Jun 17 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...This Afternoon and Tonight.
Weather hazards expected...
Elevated Thunderstorm Risk...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph.
DISCUSSION...
Scattered thunderstorms are expected to develop across northwest
Illinois later this afternoon, then move eastward across the rest
of northern Illinois and possibly into northwest Indiana this
evening. Cloud to ground lightning, briefly gusty winds, and
torrential downpours will be the primary threats, though one or
two of the stronger storms could produce very localized damaging
winds up to 60 mph.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Wednesday...
Limited Flooding Risk.
Elevated Thunderstorm Risk...with an associated:
Level 3 of 5 Severe Thunderstorm Risk.
Thursday...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Saturday through Monday...
Limited Excessive Heat Risk.
DISCUSSION...
Thunderstorms are likely Wednesday ahead of a cold front which
will move through the area Wednesday evening. Strong to severe
thunderstorms are possible especially during the afternoon hours.
Damaging winds, large hail and brief tornadoes are possible, in
addition to locally heavy rainfall.
Isolated strong storms are possible across southeast Wisconsin
late Thursday afternoon and evening. A few of these could clip far
northeas...
https://wxn.io/dr0n7
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 170951
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
451 AM CDT Tue Jun 17 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
451 AM CDT Tue Jun 17 2025 /551 AM EDT Tue Jun 17 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Elevated Thunderstorm Risk...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph.
Level 1 of 5 Large Hail Risk...up to quarter size.
Limited Flooding Risk.
DISCUSSION...
Scattered thunderstorms are expected to develop across Illinois
portions of the forecast area late this afternoon and early
evening. Some of these storms may be strong to severe, with
damaging winds the main severe weather threat. Additional clusters
of thunderstorms may redevelop overnight. These storms may
produce torrential downpours, which could lead to localized
flooding.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Wednesday...
Limited Flooding Risk.
Elevated Thunderstorm Risk...with an associated:
Level 3 of 5 Severe Thunderstorm Risk.
Thursday...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Saturday through Monday...
Limited Excessive Heat Risk.
DISCUSSION...
Thunderstorms are likely Wednesday ahead of a cold front which
will move through the area Wednesday evening. Strong to severe
thunderstorms are possible especially during the afternoon hours.
Damaging winds, large hail and brief tornadoes are possible, in
addition to locally heavy rainfall.
Isolated strong storms are possible across southeast Wisconsin
late Thursday afternoon and ...
https://wxn.io/4mk3d
FLUS43 KLOT 170951
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
451 AM CDT Tue Jun 17 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
451 AM CDT Tue Jun 17 2025 /551 AM EDT Tue Jun 17 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Elevated Thunderstorm Risk...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph.
Level 1 of 5 Large Hail Risk...up to quarter size.
Limited Flooding Risk.
DISCUSSION...
Scattered thunderstorms are expected to develop across Illinois
portions of the forecast area late this afternoon and early
evening. Some of these storms may be strong to severe, with
damaging winds the main severe weather threat. Additional clusters
of thunderstorms may redevelop overnight. These storms may
produce torrential downpours, which could lead to localized
flooding.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Wednesday...
Limited Flooding Risk.
Elevated Thunderstorm Risk...with an associated:
Level 3 of 5 Severe Thunderstorm Risk.
Thursday...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Saturday through Monday...
Limited Excessive Heat Risk.
DISCUSSION...
Thunderstorms are likely Wednesday ahead of a cold front which
will move through the area Wednesday evening. Strong to severe
thunderstorms are possible especially during the afternoon hours.
Damaging winds, large hail and brief tornadoes are possible, in
addition to locally heavy rainfall.
Isolated strong storms are possible across southeast Wisconsin
late Thursday afternoon and ...
https://wxn.io/4mk3d
Monday, June 16, 2025
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 170350
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1050 PM CDT Mon Jun 16 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
1050 PM CDT Mon Jun 16 2025 /1150 PM EDT Mon Jun 16 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Tuesday...
Elevated Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Limited Flooding Risk.
Wednesday...
Elevated Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
Limited Flooding Risk.
Saturday and Sunday...
Limited Excessive Heat Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/x34i4
FLUS43 KLOT 170350
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1050 PM CDT Mon Jun 16 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
1050 PM CDT Mon Jun 16 2025 /1150 PM EDT Mon Jun 16 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Tuesday...
Elevated Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Limited Flooding Risk.
Wednesday...
Elevated Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
Limited Flooding Risk.
Saturday and Sunday...
Limited Excessive Heat Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/x34i4
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 162005
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
Issued by National Weather Service Milwaukee/Sullivan WI
305 PM CDT Mon Jun 16 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
305 PM CDT Mon Jun 16 2025 /405 PM EDT Mon Jun 16 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Limited Thunderstorm Risk.
DISCUSSION...
There is a slight chance (less than 25%) of a few isolated to
widely scattered thunderstorms this afternoon into this evening,
mainly along and southwest of a line from Rockford to Peru to
Watseka, Illinois and to Fowler, Indiana. Severe weather is not
expected.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Tuesday...
Limited Flooding Risk.
Elevated Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Wednesday...
Limited Flooding Risk.
Elevated Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
Saturday and Sunday...
Elevated Excessive Heat Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the southeast at 5 to 10 mph.
https://wxn.io/onv6o
FLUS43 KLOT 162005
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
Issued by National Weather Service Milwaukee/Sullivan WI
305 PM CDT Mon Jun 16 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
305 PM CDT Mon Jun 16 2025 /405 PM EDT Mon Jun 16 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Limited Thunderstorm Risk.
DISCUSSION...
There is a slight chance (less than 25%) of a few isolated to
widely scattered thunderstorms this afternoon into this evening,
mainly along and southwest of a line from Rockford to Peru to
Watseka, Illinois and to Fowler, Indiana. Severe weather is not
expected.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Tuesday...
Limited Flooding Risk.
Elevated Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Wednesday...
Limited Flooding Risk.
Elevated Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
Saturday and Sunday...
Elevated Excessive Heat Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the southeast at 5 to 10 mph.
https://wxn.io/onv6o
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 160914
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
414 AM CDT Mon Jun 16 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
414 AM CDT Mon Jun 16 2025 /514 AM EDT Mon Jun 16 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk.
DISCUSSION...
There is a slight chance (less than 25%) of a few isolated to
widely scattered thunderstorms this afternoon mainly along and
southwest of a line from Rockford to Peru to Watseka Illinois
and to Fowler Indiana. Severe weather is not expected.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Tuesday...
Elevated Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Wednesday...
Elevated Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
Limited Flooding Risk.
Saturday and Sunday...
Limited Excessive Heat Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the southeast 5 to 10 mph.
https://wxn.io/b6ci0
FLUS43 KLOT 160914
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
414 AM CDT Mon Jun 16 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
414 AM CDT Mon Jun 16 2025 /514 AM EDT Mon Jun 16 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk.
DISCUSSION...
There is a slight chance (less than 25%) of a few isolated to
widely scattered thunderstorms this afternoon mainly along and
southwest of a line from Rockford to Peru to Watseka Illinois
and to Fowler Indiana. Severe weather is not expected.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Tuesday...
Elevated Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Wednesday...
Elevated Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
Limited Flooding Risk.
Saturday and Sunday...
Limited Excessive Heat Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the southeast 5 to 10 mph.
https://wxn.io/b6ci0
Sunday, June 15, 2025
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 151930
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
230 PM CDT Sun Jun 15 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
230 PM CDT Sun Jun 15 2025 /330 PM EDT Sun Jun 15 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Tuesday...
Elevated Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Wednesday...
Elevated Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
Limited Flooding Risk.
Saturday...
Limited Excessive Heat Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/8eenj
FLUS43 KLOT 151930
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
230 PM CDT Sun Jun 15 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
230 PM CDT Sun Jun 15 2025 /330 PM EDT Sun Jun 15 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Tuesday...
Elevated Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Wednesday...
Elevated Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
Limited Flooding Risk.
Saturday...
Limited Excessive Heat Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/8eenj
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 150848
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
348 AM CDT Sun Jun 15 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
348 AM CDT Sun Jun 15 2025 /448 AM EDT Sun Jun 15 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Tuesday...
Elevated Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Wednesday...
Elevated Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
Limited Flooding Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/4zoxp
FLUS43 KLOT 150848
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
348 AM CDT Sun Jun 15 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
348 AM CDT Sun Jun 15 2025 /448 AM EDT Sun Jun 15 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Tuesday...
Elevated Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Wednesday...
Elevated Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
Limited Flooding Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/4zoxp
Saturday, June 14, 2025
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 142116
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
416 PM CDT Sat Jun 14 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
416 PM CDT Sat Jun 14 2025 /516 PM EDT Sat Jun 14 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Tuesday...
Elevated Thunderstorm Risk.
Wednesday...
Elevated Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/xaop9
FLUS43 KLOT 142116
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
416 PM CDT Sat Jun 14 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
416 PM CDT Sat Jun 14 2025 /516 PM EDT Sat Jun 14 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Tuesday...
Elevated Thunderstorm Risk.
Wednesday...
Elevated Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/xaop9
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 140819
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
319 AM CDT Sat Jun 14 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
319 AM CDT Sat Jun 14 2025 /419 AM EDT Sat Jun 14 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Sunday...
Limited Thunderstorm Risk, mainly northwest of Rockford Metro.
Monday and Tuesday...
Limited Thunderstorm Risk.
Wednesday...
Elevated Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/57c9e
FLUS43 KLOT 140819
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
319 AM CDT Sat Jun 14 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
319 AM CDT Sat Jun 14 2025 /419 AM EDT Sat Jun 14 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Sunday...
Limited Thunderstorm Risk, mainly northwest of Rockford Metro.
Monday and Tuesday...
Limited Thunderstorm Risk.
Wednesday...
Elevated Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/57c9e
Friday, June 13, 2025
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 131857
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
157 PM CDT Fri Jun 13 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
157 PM CDT Fri Jun 13 2025 /257 PM EDT Fri Jun 13 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...This Afternoon and Tonight.
Weather hazards expected...
Limited Flooding Risk on an isolated basis.
DISCUSSION...
There is a very low (5 percent or lower) chance for localized
flooding this evening where showers are most prevalent. In
addition, an isolated thunderstorm cannot be ruled out this
evening as well.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Sunday through Tuesday...
Limited Thunderstorm Risk
Wednesday...
Elevated Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at 10 mph.
https://wxn.io/xdi2f
FLUS43 KLOT 131857
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
157 PM CDT Fri Jun 13 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
157 PM CDT Fri Jun 13 2025 /257 PM EDT Fri Jun 13 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...This Afternoon and Tonight.
Weather hazards expected...
Limited Flooding Risk on an isolated basis.
DISCUSSION...
There is a very low (5 percent or lower) chance for localized
flooding this evening where showers are most prevalent. In
addition, an isolated thunderstorm cannot be ruled out this
evening as well.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Sunday through Tuesday...
Limited Thunderstorm Risk
Wednesday...
Elevated Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at 10 mph.
https://wxn.io/xdi2f
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 131633
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1133 AM CDT Fri Jun 13 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
1133 AM CDT Fri Jun 13 2025 /1233 PM EDT Fri Jun 13 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...This Afternoon and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk.
DISCUSSION...
A few thunderstorms cannot be ruled out south of Interstate 80
this afternoon. No severe weather is expected.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Saturday...
Limited Thunderstorm Risk mainly south of I-80.
Sunday through Thursday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at 10 to 15 mph.
https://wxn.io/dlajt
FLUS43 KLOT 131633
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1133 AM CDT Fri Jun 13 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
1133 AM CDT Fri Jun 13 2025 /1233 PM EDT Fri Jun 13 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...This Afternoon and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk.
DISCUSSION...
A few thunderstorms cannot be ruled out south of Interstate 80
this afternoon. No severe weather is expected.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Saturday...
Limited Thunderstorm Risk mainly south of I-80.
Sunday through Thursday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at 10 to 15 mph.
https://wxn.io/dlajt
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 130854
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
354 AM CDT Fri Jun 13 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
354 AM CDT Fri Jun 13 2025 /454 AM EDT Fri Jun 13 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk.
DISCUSSION...
Isolated to widely-scattered thunderstorms are possible this
afternoon and early this evening, mainly south of Interstate
80. Severe weather is not expected.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Saturday...
Limited Thunderstorm Risk mainly south of I-80.
Sunday through Thursday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at 10 to 15 mph.
https://wxn.io/nub56
FLUS43 KLOT 130854
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
354 AM CDT Fri Jun 13 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
354 AM CDT Fri Jun 13 2025 /454 AM EDT Fri Jun 13 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk.
DISCUSSION...
Isolated to widely-scattered thunderstorms are possible this
afternoon and early this evening, mainly south of Interstate
80. Severe weather is not expected.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Saturday...
Limited Thunderstorm Risk mainly south of I-80.
Sunday through Thursday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at 10 to 15 mph.
https://wxn.io/nub56
Thursday, June 12, 2025
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 121944
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
244 PM CDT Thu Jun 12 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
244 PM CDT Thu Jun 12 2025 /344 PM EDT Thu Jun 12 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Friday and Saturday...
Limited Thunderstorm Risk.
Monday through Wednesday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/kdz1p
FLUS43 KLOT 121944
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
244 PM CDT Thu Jun 12 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
244 PM CDT Thu Jun 12 2025 /344 PM EDT Thu Jun 12 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Friday and Saturday...
Limited Thunderstorm Risk.
Monday through Wednesday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/kdz1p
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 121503
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1003 AM CDT Thu Jun 12 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
1003 AM CDT Thu Jun 12 2025 /1103 AM EDT Thu Jun 12 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk.
DISCUSSION...
An isolated thunderstorm or two is possible across interior
sections of northern Illinois this afternoon. Severe weather is
not anticipated.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Friday...
Limited Flooding Risk.
Limited Thunderstorm Risk.
Saturday...
Limited Thunderstorm Risk.
Monday through Wednesday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the north northeast at 10 to 15 mph.
https://wxn.io/4rsin
FLUS43 KLOT 121503
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1003 AM CDT Thu Jun 12 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
1003 AM CDT Thu Jun 12 2025 /1103 AM EDT Thu Jun 12 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk.
DISCUSSION...
An isolated thunderstorm or two is possible across interior
sections of northern Illinois this afternoon. Severe weather is
not anticipated.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Friday...
Limited Flooding Risk.
Limited Thunderstorm Risk.
Saturday...
Limited Thunderstorm Risk.
Monday through Wednesday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the north northeast at 10 to 15 mph.
https://wxn.io/4rsin
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 120832
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
332 AM CDT Thu Jun 12 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
332 AM CDT Thu Jun 12 2025 /432 AM EDT Thu Jun 12 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk.
DISCUSSION...
There is a 20 percent chance for a couple of isolated thunderstorms
across interior sections of northern Illinois this afternoon.
Severe weather is not anticipated.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Friday and Saturday...
Limited Thunderstorm Risk at times.
Monday through Wednesday...
Limited Thunderstorm Risk at times.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the north northeast at 10 to 15 mph
https://wxn.io/o0mgl
FLUS43 KLOT 120832
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
332 AM CDT Thu Jun 12 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
332 AM CDT Thu Jun 12 2025 /432 AM EDT Thu Jun 12 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk.
DISCUSSION...
There is a 20 percent chance for a couple of isolated thunderstorms
across interior sections of northern Illinois this afternoon.
Severe weather is not anticipated.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Friday and Saturday...
Limited Thunderstorm Risk at times.
Monday through Wednesday...
Limited Thunderstorm Risk at times.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the north northeast at 10 to 15 mph
https://wxn.io/o0mgl
Wednesday, June 11, 2025
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 112035
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
335 PM CDT Wed Jun 11 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
335 PM CDT Wed Jun 11 2025 /435 PM EDT Wed Jun 11 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Limited Thunderstorm Risk far Northern Illinois.
DISCUSSION...
There is a 20 percent chance for a couple of thunderstorms
tonight near the Wisconsin state line.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday through Saturday...
Limited Thunderstorm Risk at times.
Monday and Tuesday...
Limited Thunderstorm Risk at times.
.SPOTTER INFORMATION STATEMENT...
Spotters are unlikely to be needed through tonight.
GENERAL STORM MOTION OF THE NIGHT:
Moving toward the east at around 30 mph.
https://wxn.io/gkrjw
FLUS43 KLOT 112035
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
335 PM CDT Wed Jun 11 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
335 PM CDT Wed Jun 11 2025 /435 PM EDT Wed Jun 11 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Limited Thunderstorm Risk far Northern Illinois.
DISCUSSION...
There is a 20 percent chance for a couple of thunderstorms
tonight near the Wisconsin state line.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday through Saturday...
Limited Thunderstorm Risk at times.
Monday and Tuesday...
Limited Thunderstorm Risk at times.
.SPOTTER INFORMATION STATEMENT...
Spotters are unlikely to be needed through tonight.
GENERAL STORM MOTION OF THE NIGHT:
Moving toward the east at around 30 mph.
https://wxn.io/gkrjw
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 111656
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1156 AM CDT Wed Jun 11 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
1156 AM CDT Wed Jun 11 2025 /1256 PM EDT Wed Jun 11 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...This Afternoon and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk far Northern Illinois Tonight.
DISCUSSION...
There is a 20 percent chance for a couple of thunderstorms
tonight near the Wisconsin state line.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday through Saturday...
Limited Thunderstorm Risk at times.
.SPOTTER INFORMATION STATEMENT...
Spotters are unlikely to be needed through tonight.
GENERAL STORM MOTION OF THE NIGHT:
Moving toward the east at around 30 mph.
https://wxn.io/xkvp4
FLUS43 KLOT 111656
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1156 AM CDT Wed Jun 11 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
1156 AM CDT Wed Jun 11 2025 /1256 PM EDT Wed Jun 11 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...This Afternoon and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk far Northern Illinois Tonight.
DISCUSSION...
There is a 20 percent chance for a couple of thunderstorms
tonight near the Wisconsin state line.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday through Saturday...
Limited Thunderstorm Risk at times.
.SPOTTER INFORMATION STATEMENT...
Spotters are unlikely to be needed through tonight.
GENERAL STORM MOTION OF THE NIGHT:
Moving toward the east at around 30 mph.
https://wxn.io/xkvp4
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 110906
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
406 AM CDT Wed Jun 11 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
406 AM CDT Wed Jun 11 2025 /506 AM EDT Wed Jun 11 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk Far North Illinois Tonight
DISCUSSION...
There is a 20 percent chance for a couple of thunderstorms
tonight near the Wisconsin state line.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday through Saturday...
Limited Thunderstorm Risk at times.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the east around 30 mph
https://wxn.io/8zod5
FLUS43 KLOT 110906
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
406 AM CDT Wed Jun 11 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
406 AM CDT Wed Jun 11 2025 /506 AM EDT Wed Jun 11 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk Far North Illinois Tonight
DISCUSSION...
There is a 20 percent chance for a couple of thunderstorms
tonight near the Wisconsin state line.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday through Saturday...
Limited Thunderstorm Risk at times.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the east around 30 mph
https://wxn.io/8zod5
Tuesday, June 10, 2025
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 102009
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
309 PM CDT Tue Jun 10 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
309 PM CDT Tue Jun 10 2025 /409 PM EDT Tue Jun 10 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Wednesday...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Thursday through Sunday...
Limited Thunderstorm Risk at times.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/n79es
FLUS43 KLOT 102009
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
309 PM CDT Tue Jun 10 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
309 PM CDT Tue Jun 10 2025 /409 PM EDT Tue Jun 10 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Wednesday...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Thursday through Sunday...
Limited Thunderstorm Risk at times.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/n79es
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 100833
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
333 AM CDT Tue Jun 10 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
333 AM CDT Tue Jun 10 2025 /433 AM EDT Tue Jun 10 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Wednesday night...
Elevated Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Thursday through Sunday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/l31hk
FLUS43 KLOT 100833
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
333 AM CDT Tue Jun 10 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
333 AM CDT Tue Jun 10 2025 /433 AM EDT Tue Jun 10 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Wednesday night...
Elevated Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Thursday through Sunday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/l31hk
Monday, June 9, 2025
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 100110 AAA
HWOLOT
Hazardous Weather Outlook...UPDATED
National Weather Service Chicago/Romeoville IL
810 PM CDT Mon Jun 9 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
810 PM CDT Mon Jun 9 2025 /910 PM EDT Mon Jun 9 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Wednesday night...
Elevated Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Thursday through Saturday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/zzupw
FLUS43 KLOT 100110 AAA
HWOLOT
Hazardous Weather Outlook...UPDATED
National Weather Service Chicago/Romeoville IL
810 PM CDT Mon Jun 9 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
810 PM CDT Mon Jun 9 2025 /910 PM EDT Mon Jun 9 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Wednesday night...
Elevated Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Thursday through Saturday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/zzupw
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 091959
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
259 PM CDT Mon Jun 9 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
259 PM CDT Mon Jun 9 2025 /359 PM EDT Mon Jun 9 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Wednesday night...
Elevated Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Thursday through Saturday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated at this time.
https://wxn.io/98pgw
FLUS43 KLOT 091959
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
259 PM CDT Mon Jun 9 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
259 PM CDT Mon Jun 9 2025 /359 PM EDT Mon Jun 9 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Wednesday night...
Elevated Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Thursday through Saturday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated at this time.
https://wxn.io/98pgw
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 091653
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1153 AM CDT Mon Jun 9 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
1153 AM CDT Mon Jun 9 2025 /1253 PM EDT Mon Jun 9 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...This Afternoon and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph.
Level 1 of 5 Large Hail Risk...up to quarter size.
DISCUSSION...
Isolated to widely scattered showers and thunderstorms are expected
to develop along a cold front early this afternoon, mainly affecting
areas east of a Woodstock, IL to Rensselaer, IN line. A storm or two
could become strong to severe with hail and strong to locally
damaging winds, particularly in northwest Indiana.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Wednesday Night...
Limited Thunderstorm Risk far northwest IL...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Thursday through Saturday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotters may be needed this afternoon in northwest Indiana.
GENERAL STORM MOTION OF THE DAY:
Moving toward the east at 40 to 45 mph.
https://wxn.io/2oqa4
FLUS43 KLOT 091653
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1153 AM CDT Mon Jun 9 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
1153 AM CDT Mon Jun 9 2025 /1253 PM EDT Mon Jun 9 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...This Afternoon and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph.
Level 1 of 5 Large Hail Risk...up to quarter size.
DISCUSSION...
Isolated to widely scattered showers and thunderstorms are expected
to develop along a cold front early this afternoon, mainly affecting
areas east of a Woodstock, IL to Rensselaer, IN line. A storm or two
could become strong to severe with hail and strong to locally
damaging winds, particularly in northwest Indiana.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Wednesday Night...
Limited Thunderstorm Risk far northwest IL...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Thursday through Saturday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotters may be needed this afternoon in northwest Indiana.
GENERAL STORM MOTION OF THE DAY:
Moving toward the east at 40 to 45 mph.
https://wxn.io/2oqa4
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 090853
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
353 AM CDT Mon Jun 9 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
353 AM CDT Mon Jun 9 2025 /453 AM EDT Mon Jun 9 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph.
Level 1 of 5 Large Hail Risk...up to Quarter size.
DISCUSSION...
Scattered showers and thunderstorms will develop ahead of a cold front
early this afternoon. Some storms may become strong between 1 and
4 pm, particularly to the east of the Fox Valley in northern IL.
Some of the strongest storms may produce instances of hail to the
size of Quarters and locally strong wind gusts to 60 mph. The
storm threat will subside later this afternoon.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Wednesday Night...
Limited Thunderstorm Risk far northwest IL...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Thursday through Saturday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotters may be needed this afternoon.
GENERAL STORM MOTION OF THE DAY:
Moving toward the east 40 to 45 mph
https://wxn.io/bktnp
FLUS43 KLOT 090853
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
353 AM CDT Mon Jun 9 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
353 AM CDT Mon Jun 9 2025 /453 AM EDT Mon Jun 9 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph.
Level 1 of 5 Large Hail Risk...up to Quarter size.
DISCUSSION...
Scattered showers and thunderstorms will develop ahead of a cold front
early this afternoon. Some storms may become strong between 1 and
4 pm, particularly to the east of the Fox Valley in northern IL.
Some of the strongest storms may produce instances of hail to the
size of Quarters and locally strong wind gusts to 60 mph. The
storm threat will subside later this afternoon.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Wednesday Night...
Limited Thunderstorm Risk far northwest IL...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Thursday through Saturday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotters may be needed this afternoon.
GENERAL STORM MOTION OF THE DAY:
Moving toward the east 40 to 45 mph
https://wxn.io/bktnp
Sunday, June 8, 2025
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 090125 AAA
HWOLOT
Hazardous Weather Outlook...UPDATED
National Weather Service Chicago/Romeoville IL
825 PM CDT Sun Jun 8 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
825 PM CDT Sun Jun 8 2025 /925 PM EDT Sun Jun 8 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Monday...
Limited Thunderstorm Risk.
Thursday through Saturday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/f763n
FLUS43 KLOT 090125 AAA
HWOLOT
Hazardous Weather Outlook...UPDATED
National Weather Service Chicago/Romeoville IL
825 PM CDT Sun Jun 8 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
825 PM CDT Sun Jun 8 2025 /925 PM EDT Sun Jun 8 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Monday...
Limited Thunderstorm Risk.
Thursday through Saturday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/f763n
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 081948
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
248 PM CDT Sun Jun 8 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
248 PM CDT Sun Jun 8 2025 /348 PM EDT Sun Jun 8 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph.
Level 1 of 5 Large Hail Risk...up to ping pong ball size.
DISCUSSION...
Scattered showers and thunderstorms will continue through the early
evening. The strongest storms will be capable of producing localized
damaging winds and large hail.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Monday...
Limited Thunderstorm Risk.
Thursday through Saturday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotters may be needed through this evening.
GENERAL STORM MOTION OF THE DAY:
Moving toward the east at 35 mph.
https://wxn.io/bie20
FLUS43 KLOT 081948
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
248 PM CDT Sun Jun 8 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
248 PM CDT Sun Jun 8 2025 /348 PM EDT Sun Jun 8 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph.
Level 1 of 5 Large Hail Risk...up to ping pong ball size.
DISCUSSION...
Scattered showers and thunderstorms will continue through the early
evening. The strongest storms will be capable of producing localized
damaging winds and large hail.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Monday...
Limited Thunderstorm Risk.
Thursday through Saturday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotters may be needed through this evening.
GENERAL STORM MOTION OF THE DAY:
Moving toward the east at 35 mph.
https://wxn.io/bie20
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 081627
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1127 AM CDT Sun Jun 8 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
1127 AM CDT Sun Jun 8 2025 /1227 PM EDT Sun Jun 8 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...This Afternoon and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph.
Level 1 of 5 Large Hail Risk...up to 1 inch in diameter.
DISCUSSION...
Scattered showers and thunderstorms will develop ahead of a cold
front this afternoon through early evening. The strongest storms
will be capable of gusty to locally damaging winds and small
hail.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Monday...
Limited Thunderstorm Risk.
Thursday Through Saturday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotters may be needed this afternoon.
GENERAL STORM MOTION OF THE DAY:
Moving toward the east southeast at 35 mph.
https://wxn.io/d54xw
FLUS43 KLOT 081627
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1127 AM CDT Sun Jun 8 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
1127 AM CDT Sun Jun 8 2025 /1227 PM EDT Sun Jun 8 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...This Afternoon and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph.
Level 1 of 5 Large Hail Risk...up to 1 inch in diameter.
DISCUSSION...
Scattered showers and thunderstorms will develop ahead of a cold
front this afternoon through early evening. The strongest storms
will be capable of gusty to locally damaging winds and small
hail.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Monday...
Limited Thunderstorm Risk.
Thursday Through Saturday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotters may be needed this afternoon.
GENERAL STORM MOTION OF THE DAY:
Moving toward the east southeast at 35 mph.
https://wxn.io/d54xw
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 080933
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
433 AM CDT Sun Jun 8 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
433 AM CDT Sun Jun 8 2025 /533 AM EDT Sun Jun 8 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph.
Level 1 of 5 Hail Risk...up to nickel size.
DISCUSSION...
Scattered showers and thunderstorms will develop ahead of a cold
front this afternoon through early evening. The strongest storms
will be capable of gusty to locally damaging winds and small hail.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Monday...
Limited Thunderstorm Risk.
Thursday Through Saturday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotters may be needed this afternoon.
GENERAL STORM MOTION OF THE DAY:
Moving toward the East-southeast at 35 mph.
https://wxn.io/nngg0
FLUS43 KLOT 080933
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
433 AM CDT Sun Jun 8 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
433 AM CDT Sun Jun 8 2025 /533 AM EDT Sun Jun 8 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph.
Level 1 of 5 Hail Risk...up to nickel size.
DISCUSSION...
Scattered showers and thunderstorms will develop ahead of a cold
front this afternoon through early evening. The strongest storms
will be capable of gusty to locally damaging winds and small hail.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Monday...
Limited Thunderstorm Risk.
Thursday Through Saturday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotters may be needed this afternoon.
GENERAL STORM MOTION OF THE DAY:
Moving toward the East-southeast at 35 mph.
https://wxn.io/nngg0
Saturday, June 7, 2025
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 071947
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
247 PM CDT Sat Jun 7 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
247 PM CDT Sat Jun 7 2025 /347 PM EDT Sat Jun 7 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Elevated Flooding Risk.
Limited Thunderstorm Risk
DISCUSSION...
Slow-moving and heavy-rain producing showers may produce isolated
instances of flooding this evening mainly along and south of
Interstate 88. A thunderstorm cannot be ruled out, as well.
Widespread flooding, or any severe weather, is not expected
today.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Sunday...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Monday, and again Thursday into Friday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Variable at 10 mph.
https://wxn.io/uke1q
FLUS43 KLOT 071947
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
247 PM CDT Sat Jun 7 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
247 PM CDT Sat Jun 7 2025 /347 PM EDT Sat Jun 7 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Elevated Flooding Risk.
Limited Thunderstorm Risk
DISCUSSION...
Slow-moving and heavy-rain producing showers may produce isolated
instances of flooding this evening mainly along and south of
Interstate 88. A thunderstorm cannot be ruled out, as well.
Widespread flooding, or any severe weather, is not expected
today.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Sunday...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Monday, and again Thursday into Friday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Variable at 10 mph.
https://wxn.io/uke1q
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 071529
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1029 AM CDT Sat Jun 7 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
1029 AM CDT Sat Jun 7 2025 /1129 AM EDT Sat Jun 7 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Elevated Flooding Risk.
Limited Thunderstorm Risk.
DISCUSSION...
Slow-moving and heavy-rain producing showers may produce isolated
instances of flooding this evening mainly along and south of
Interstate 88. A thunderstorm cannot be ruled out, as well.
Widespread flooding, or any severe weather, is not expected today.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Sunday...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Monday...
Limited Thunderstorm Risk.
Friday...
Limited Thunderstorm Risk.
DISCUSSION...
A cold front will bring another chance for showers and
thunderstorms Sunday afternoon through the evening. A few storms
Sunday afternoon may be strong to severe with damaging winds as
the main threat.
Additional shower and thunderstorm chances are expected for
Monday and towards the end of the week.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Generally moving toward the east at 10 mph, but may be variable
at times.
https://wxn.io/nvuqw
FLUS43 KLOT 071529
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1029 AM CDT Sat Jun 7 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
1029 AM CDT Sat Jun 7 2025 /1129 AM EDT Sat Jun 7 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Elevated Flooding Risk.
Limited Thunderstorm Risk.
DISCUSSION...
Slow-moving and heavy-rain producing showers may produce isolated
instances of flooding this evening mainly along and south of
Interstate 88. A thunderstorm cannot be ruled out, as well.
Widespread flooding, or any severe weather, is not expected today.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Sunday...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Monday...
Limited Thunderstorm Risk.
Friday...
Limited Thunderstorm Risk.
DISCUSSION...
A cold front will bring another chance for showers and
thunderstorms Sunday afternoon through the evening. A few storms
Sunday afternoon may be strong to severe with damaging winds as
the main threat.
Additional shower and thunderstorm chances are expected for
Monday and towards the end of the week.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Generally moving toward the east at 10 mph, but may be variable
at times.
https://wxn.io/nvuqw
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 070853
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
353 AM CDT Sat Jun 7 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
353 AM CDT Sat Jun 7 2025 /453 AM EDT Sat Jun 7 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk South of I-80.
DISCUSSION...
Scattered showers with a few embedded thunderstorms are expected
to develop across parts of the area this afternoon and evening.
The highest coverage of showers and storms will be south of I-80.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Sunday...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Monday...
Limited Thunderstorm Risk.
Friday...
Limited Thunderstorm Risk.
DISCUSSION...
A cold front will bring another chance for showers and
thunderstorms Sunday afternoon through the evening. A few storms
Sunday afternoon may be strong to severe with damaging winds as
the main threat.
Additional shower and thunderstorm chances are expected for Monday
and towards the end of the week.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the East northeast at 15 to 20 mph.
https://wxn.io/i7u49
FLUS43 KLOT 070853
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
353 AM CDT Sat Jun 7 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
353 AM CDT Sat Jun 7 2025 /453 AM EDT Sat Jun 7 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk South of I-80.
DISCUSSION...
Scattered showers with a few embedded thunderstorms are expected
to develop across parts of the area this afternoon and evening.
The highest coverage of showers and storms will be south of I-80.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Sunday...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Monday...
Limited Thunderstorm Risk.
Friday...
Limited Thunderstorm Risk.
DISCUSSION...
A cold front will bring another chance for showers and
thunderstorms Sunday afternoon through the evening. A few storms
Sunday afternoon may be strong to severe with damaging winds as
the main threat.
Additional shower and thunderstorm chances are expected for Monday
and towards the end of the week.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the East northeast at 15 to 20 mph.
https://wxn.io/i7u49
Friday, June 6, 2025
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 062045
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
345 PM CDT Fri Jun 6 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
345 PM CDT Fri Jun 6 2025 /445 PM EDT Fri Jun 6 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Saturday...
Limited Thunderstorm Risk south of I-80.
Sunday...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/69x12
FLUS43 KLOT 062045
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
345 PM CDT Fri Jun 6 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
345 PM CDT Fri Jun 6 2025 /445 PM EDT Fri Jun 6 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Saturday...
Limited Thunderstorm Risk south of I-80.
Sunday...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/69x12
Air Quality Alert for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
AEUS73 KLOT 061716
AQALOT
Air Quality Alert Message
Relayed by National Weather Service Chicago IL
1216 PM CDT Fri Jun 6 2025
McHenry-Lake IL-Kane-DuPage-Kendall-Grundy-Northern Cook-
Central Cook-Southern Cook-Northern Will-Southern Will-Eastern Will-
Including the cities of Crystal Lake, Algonquin, McHenry, Woodstock,
Waukegan, Buffalo Grove, Mundelein, Gurnee, Aurora, Elgin,
Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Oswego,
Yorkville, Plano, Morris, Coal City, Minooka, Evanston, Des Plaines,
Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn,
Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park,
Park Forest, Joliet, Bolingbrook, Plainfield, Mokena, Channahon,
Manhattan, Wilmington, Crete, Peotone, and Beecher
1216 PM CDT Fri Jun 6 2025
...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT CDT TONIGHT...
The Air Pollution Action Day declared by the Illinois Environmental
Protection Agency for the greater Chicago Metropolitan Area REMAINS
IN EFFECT UNTIL MIDNIGHT CDT TONIGHT.
A Chicago area "Air Pollution Action Day" is declared when weather
conditions are such that widespread ozone and or particulate levels
are expected to be at or above the Unhealthy for Sensitive Groups
(USG) category of the Air Quality Index for multiple days. Wildfire
smoke is expected to continue to have an impact on particulate levels
with daily 24 hour AQI forecasts at USG or higher through this
evening.
USG category - Active children and adults, especially people with
pulmonary or respiratory disease such as asthma, should limit
prolonged outdoor activity.
Unhealthy category - Everyone should reduce prolonged activities or
heavy exertion outdoors. Active children, older adults, and people
with pulmonary or respiratory disease such as asthma should avoid
prolonged activities or heavy exertion outdoors.
Area residents are urged to reduce pollution levels. Air quality
forecasts, current...
https://wxn.io/3zrhs
AEUS73 KLOT 061716
AQALOT
Air Quality Alert Message
Relayed by National Weather Service Chicago IL
1216 PM CDT Fri Jun 6 2025
McHenry-Lake IL-Kane-DuPage-Kendall-Grundy-Northern Cook-
Central Cook-Southern Cook-Northern Will-Southern Will-Eastern Will-
Including the cities of Crystal Lake, Algonquin, McHenry, Woodstock,
Waukegan, Buffalo Grove, Mundelein, Gurnee, Aurora, Elgin,
Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Oswego,
Yorkville, Plano, Morris, Coal City, Minooka, Evanston, Des Plaines,
Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn,
Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park,
Park Forest, Joliet, Bolingbrook, Plainfield, Mokena, Channahon,
Manhattan, Wilmington, Crete, Peotone, and Beecher
1216 PM CDT Fri Jun 6 2025
...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT CDT TONIGHT...
The Air Pollution Action Day declared by the Illinois Environmental
Protection Agency for the greater Chicago Metropolitan Area REMAINS
IN EFFECT UNTIL MIDNIGHT CDT TONIGHT.
A Chicago area "Air Pollution Action Day" is declared when weather
conditions are such that widespread ozone and or particulate levels
are expected to be at or above the Unhealthy for Sensitive Groups
(USG) category of the Air Quality Index for multiple days. Wildfire
smoke is expected to continue to have an impact on particulate levels
with daily 24 hour AQI forecasts at USG or higher through this
evening.
USG category - Active children and adults, especially people with
pulmonary or respiratory disease such as asthma, should limit
prolonged outdoor activity.
Unhealthy category - Everyone should reduce prolonged activities or
heavy exertion outdoors. Active children, older adults, and people
with pulmonary or respiratory disease such as asthma should avoid
prolonged activities or heavy exertion outdoors.
Area residents are urged to reduce pollution levels. Air quality
forecasts, current...
https://wxn.io/3zrhs
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 060834
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
334 AM CDT Fri Jun 6 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
334 AM CDT Fri Jun 6 2025 /434 AM EDT Fri Jun 6 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Saturday...
Limited Thunderstorm Risk south of I-80.
Sunday...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/fm1st
FLUS43 KLOT 060834
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
334 AM CDT Fri Jun 6 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
334 AM CDT Fri Jun 6 2025 /434 AM EDT Fri Jun 6 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Saturday...
Limited Thunderstorm Risk south of I-80.
Sunday...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/fm1st
Thursday, June 5, 2025
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 052132
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
432 PM CDT Thu Jun 5 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
432 PM CDT Thu Jun 5 2025 /532 PM EDT Thu Jun 5 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
While no hazardous weather is expected, smoke from Canadian
wildfires will continue to result in poor air quality.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Saturday...
Limited Thunderstorm Risk south of I-80.
Sunday...
Limited Thunderstorm Risk, particularly northwest of I-55.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/tw3d1
FLUS43 KLOT 052132
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
432 PM CDT Thu Jun 5 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
432 PM CDT Thu Jun 5 2025 /532 PM EDT Thu Jun 5 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
While no hazardous weather is expected, smoke from Canadian
wildfires will continue to result in poor air quality.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Saturday...
Limited Thunderstorm Risk south of I-80.
Sunday...
Limited Thunderstorm Risk, particularly northwest of I-55.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/tw3d1
Air Quality Alert for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
AEUS73 KLOT 051830
AQALOT
Air Quality Alert Message
Relayed by National Weather Service Chicago IL
130 PM CDT Thu Jun 5 2025
McHenry-Lake IL-Kane-DuPage-Kendall-Grundy-Northern Cook-
Central Cook-Southern Cook-Northern Will-Southern Will-Eastern Will-
Including the cities of Crystal Lake, Algonquin, McHenry, Woodstock,
Waukegan, Buffalo Grove, Mundelein, Gurnee, Aurora, Elgin,
Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Oswego,
Yorkville, Plano, Morris, Coal City, Minooka, Evanston, Des Plaines,
Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn,
Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park,
Park Forest, Joliet, Bolingbrook, Plainfield, Mokena, Channahon,
Manhattan, Wilmington, Crete, Peotone, and Beecher
130 PM CDT Thu Jun 5 2025
...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT CDT FRIDAY NIGHT...
The Illinois Environmental Protection Agency has extended the Air
Pollution Action Day for the greater Chicago Metropolitan Area and
IS NOW IN EFFECT UNTIL MIDNIGHT CDT FRIDAY NIGHT.
A Chicago area "Air Pollution Action Day" is declared when weather
conditions are such that widespread ozone and or particulate levels
are expected to be at or above the Unhealthy for Sensitive Groups
(USG) category of the Air Quality Index for multiple days. Wildfire
smoke is expected to continue to have an impact on particulate levels
with daily 24 hour AQI forecasts at USG or higher through Friday.
USG category - Active children and adults, especially people with
pulmonary or respiratory disease such as asthma, should limit
prolonged outdoor activity.
Unhealthy category - Everyone should reduce prolonged activities or
heavy exertion outdoors. Active children, older adults, and people
with pulmonary or respiratory disease such as asthma should avoid
prolonged activities or heavy exertion outdoors.
Area residents are urged to reduce pollution levels. Air quality
forecasts, ...
https://wxn.io/3pbdy
AEUS73 KLOT 051830
AQALOT
Air Quality Alert Message
Relayed by National Weather Service Chicago IL
130 PM CDT Thu Jun 5 2025
McHenry-Lake IL-Kane-DuPage-Kendall-Grundy-Northern Cook-
Central Cook-Southern Cook-Northern Will-Southern Will-Eastern Will-
Including the cities of Crystal Lake, Algonquin, McHenry, Woodstock,
Waukegan, Buffalo Grove, Mundelein, Gurnee, Aurora, Elgin,
Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Oswego,
Yorkville, Plano, Morris, Coal City, Minooka, Evanston, Des Plaines,
Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn,
Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park,
Park Forest, Joliet, Bolingbrook, Plainfield, Mokena, Channahon,
Manhattan, Wilmington, Crete, Peotone, and Beecher
130 PM CDT Thu Jun 5 2025
...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT CDT FRIDAY NIGHT...
The Illinois Environmental Protection Agency has extended the Air
Pollution Action Day for the greater Chicago Metropolitan Area and
IS NOW IN EFFECT UNTIL MIDNIGHT CDT FRIDAY NIGHT.
A Chicago area "Air Pollution Action Day" is declared when weather
conditions are such that widespread ozone and or particulate levels
are expected to be at or above the Unhealthy for Sensitive Groups
(USG) category of the Air Quality Index for multiple days. Wildfire
smoke is expected to continue to have an impact on particulate levels
with daily 24 hour AQI forecasts at USG or higher through Friday.
USG category - Active children and adults, especially people with
pulmonary or respiratory disease such as asthma, should limit
prolonged outdoor activity.
Unhealthy category - Everyone should reduce prolonged activities or
heavy exertion outdoors. Active children, older adults, and people
with pulmonary or respiratory disease such as asthma should avoid
prolonged activities or heavy exertion outdoors.
Area residents are urged to reduce pollution levels. Air quality
forecasts, ...
https://wxn.io/3pbdy
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 051620 AAA
HWOLOT
Hazardous Weather Outlook...UPDATED
National Weather Service Chicago/Romeoville IL
1120 AM CDT Thu Jun 5 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
1120 AM CDT Thu Jun 5 2025 /1220 PM EDT Thu Jun 5 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...This Afternoon and Tonight.
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Saturday and Sunday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/6k8fe
FLUS43 KLOT 051620 AAA
HWOLOT
Hazardous Weather Outlook...UPDATED
National Weather Service Chicago/Romeoville IL
1120 AM CDT Thu Jun 5 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
1120 AM CDT Thu Jun 5 2025 /1220 PM EDT Thu Jun 5 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...This Afternoon and Tonight.
No hazardous weather is expected at this time.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Saturday and Sunday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/6k8fe
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 050859
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
359 AM CDT Thu Jun 5 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
359 AM CDT Thu Jun 5 2025 /459 AM EDT Thu Jun 5 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Elevated Fog Risk early this morning.
DISCUSSION...
Areas of dense fog near the I-80 corridor in Illinois will
dissipate early this morning. There could also be some patches of
dense fog oozing just barely inland along Lake Michigan beaches,
mainly this morning.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Saturday and Sunday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/43fq5
FLUS43 KLOT 050859
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
359 AM CDT Thu Jun 5 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
359 AM CDT Thu Jun 5 2025 /459 AM EDT Thu Jun 5 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Elevated Fog Risk early this morning.
DISCUSSION...
Areas of dense fog near the I-80 corridor in Illinois will
dissipate early this morning. There could also be some patches of
dense fog oozing just barely inland along Lake Michigan beaches,
mainly this morning.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Saturday and Sunday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/43fq5
Wednesday, June 4, 2025
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 050242 AAA
HWOLOT
Hazardous Weather Outlook...UPDATED
National Weather Service Chicago/Romeoville IL
942 PM CDT Wed Jun 4 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
942 PM CDT Wed Jun 4 2025 /1042 PM EDT Wed Jun 4 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Limited Thunderstorm Risk.
Limited Flooding Risk.
DISCUSSION...
Isolated thunderstorms are possible overnight generally south of
a Bloomington, IL to Rensselaer, IN line. No severe weather is
expected with these storms, though pockets of locally heavier
rainfall in these areas could lead to minor localized flooding.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday morning...
Limited Thunderstorm Risk well south of I-80.
Sunday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at around 35 mph.
https://wxn.io/palru
FLUS43 KLOT 050242 AAA
HWOLOT
Hazardous Weather Outlook...UPDATED
National Weather Service Chicago/Romeoville IL
942 PM CDT Wed Jun 4 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
942 PM CDT Wed Jun 4 2025 /1042 PM EDT Wed Jun 4 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Limited Thunderstorm Risk.
Limited Flooding Risk.
DISCUSSION...
Isolated thunderstorms are possible overnight generally south of
a Bloomington, IL to Rensselaer, IN line. No severe weather is
expected with these storms, though pockets of locally heavier
rainfall in these areas could lead to minor localized flooding.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday morning...
Limited Thunderstorm Risk well south of I-80.
Sunday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at around 35 mph.
https://wxn.io/palru
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 042108
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
408 PM CDT Wed Jun 4 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
408 PM CDT Wed Jun 4 2025 /508 PM EDT Wed Jun 4 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Limited Thunderstorm Risk.
Limited Flooding Risk.
DISCUSSION...
A few thunderstorms may occur through early this evening south of
a Pontiac, IL to Valparaiso, IN line. Some of these storms could
be strong with the main hazards being lightning and gusty winds.
Pockets of locally heavier rainfall in those areas may continue
through tonight which could lead to localized flooding.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday morning...
Limited Thunderstorm Risk well south of I-80.
Sunday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at 35 to 40 mph.
https://wxn.io/7qrte
FLUS43 KLOT 042108
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
408 PM CDT Wed Jun 4 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
408 PM CDT Wed Jun 4 2025 /508 PM EDT Wed Jun 4 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Limited Thunderstorm Risk.
Limited Flooding Risk.
DISCUSSION...
A few thunderstorms may occur through early this evening south of
a Pontiac, IL to Valparaiso, IN line. Some of these storms could
be strong with the main hazards being lightning and gusty winds.
Pockets of locally heavier rainfall in those areas may continue
through tonight which could lead to localized flooding.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday morning...
Limited Thunderstorm Risk well south of I-80.
Sunday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at 35 to 40 mph.
https://wxn.io/7qrte
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 041815
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
115 PM CDT Wed Jun 4 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
115 PM CDT Wed Jun 4 2025 /215 PM EDT Wed Jun 4 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...This Afternoon and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph.
Limited Flooding Risk.
DISCUSSION...
A few thunderstorms may occur this afternoon south of a
Valparaiso, IN to Pontiac, IL line. An isolated severe thunderstorm
or two with locally damaging winds to 60 mph cannot be ruled out.
Pockets of locally heavier rainfall may occur south of Interstate
80 through tonight and may cause ponding on streets and parking lots
and result in minor flooding of fields and ditches.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Friday afternoon and night...
Limited Thunderstorm Risk well south of I-80.
.SPOTTER INFORMATION STATEMENT...
Spotters may be needed between 2 pm and 8 pm southeast of a
Valparaiso to Pontiac line.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at 35 to 40 mph.
https://wxn.io/u3mla
FLUS43 KLOT 041815
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
115 PM CDT Wed Jun 4 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
115 PM CDT Wed Jun 4 2025 /215 PM EDT Wed Jun 4 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...This Afternoon and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph.
Limited Flooding Risk.
DISCUSSION...
A few thunderstorms may occur this afternoon south of a
Valparaiso, IN to Pontiac, IL line. An isolated severe thunderstorm
or two with locally damaging winds to 60 mph cannot be ruled out.
Pockets of locally heavier rainfall may occur south of Interstate
80 through tonight and may cause ponding on streets and parking lots
and result in minor flooding of fields and ditches.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Friday afternoon and night...
Limited Thunderstorm Risk well south of I-80.
.SPOTTER INFORMATION STATEMENT...
Spotters may be needed between 2 pm and 8 pm southeast of a
Valparaiso to Pontiac line.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at 35 to 40 mph.
https://wxn.io/u3mla
Air Quality Alert for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
AEUS73 KLOT 041754
AQALOT
Air Quality Alert Message
Relayed by National Weather Service Chicago IL
1254 PM CDT Wed Jun 4 2025
McHenry-Lake IL-Kane-DuPage-Kendall-Grundy-Northern Cook-
Central Cook-Southern Cook-Northern Will-Southern Will-Eastern Will-
Including the cities of Crystal Lake, Algonquin, McHenry, Woodstock,
Waukegan, Buffalo Grove, Mundelein, Gurnee, Aurora, Elgin,
Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Oswego,
Yorkville, Plano, Morris, Coal City, Minooka, Evanston, Des Plaines,
Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn,
Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park,
Park Forest, Joliet, Bolingbrook, Plainfield, Mokena, Channahon,
Manhattan, Wilmington, Crete, Peotone, and Beecher
1254 PM CDT Wed Jun 4 2025
...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT CDT THURSDAY NIGHT...
The Illinois Environmental Protection Agency has declared an Air
Pollution Action Day for the greater Chicago Metropolitan Area, which
is IN EFFECT UNTIL MIDNIGHT CDT THURSDAY NIGHT.
A Chicago area "Air Pollution Action Day" is declared when weather
conditions are such that widespread ozone and or particulate levels
are expected to be at or above the Unhealthy for Sensitive Groups
(USG) category of the Air Quality Index for multiple days. Wildfire
smoke is expected to continue to have an impact on particulate levels
with the daily 24-hour AQI forecast expected to remain in the USG
category today and tomorrow.
Active children and adults, especially people with pulmonary or
respiratory disease such as asthma, should limit prolonged outdoor
activity.
Area residents are urged to reduce pollution levels. Air quality
forecasts, current air quality, and tips on how you can reduce your
emissions can be found at www.airnow.gov.
Media contact...Illinois EPA.
https://wxn.io/czx70
AEUS73 KLOT 041754
AQALOT
Air Quality Alert Message
Relayed by National Weather Service Chicago IL
1254 PM CDT Wed Jun 4 2025
McHenry-Lake IL-Kane-DuPage-Kendall-Grundy-Northern Cook-
Central Cook-Southern Cook-Northern Will-Southern Will-Eastern Will-
Including the cities of Crystal Lake, Algonquin, McHenry, Woodstock,
Waukegan, Buffalo Grove, Mundelein, Gurnee, Aurora, Elgin,
Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Oswego,
Yorkville, Plano, Morris, Coal City, Minooka, Evanston, Des Plaines,
Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn,
Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park,
Park Forest, Joliet, Bolingbrook, Plainfield, Mokena, Channahon,
Manhattan, Wilmington, Crete, Peotone, and Beecher
1254 PM CDT Wed Jun 4 2025
...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT CDT THURSDAY NIGHT...
The Illinois Environmental Protection Agency has declared an Air
Pollution Action Day for the greater Chicago Metropolitan Area, which
is IN EFFECT UNTIL MIDNIGHT CDT THURSDAY NIGHT.
A Chicago area "Air Pollution Action Day" is declared when weather
conditions are such that widespread ozone and or particulate levels
are expected to be at or above the Unhealthy for Sensitive Groups
(USG) category of the Air Quality Index for multiple days. Wildfire
smoke is expected to continue to have an impact on particulate levels
with the daily 24-hour AQI forecast expected to remain in the USG
category today and tomorrow.
Active children and adults, especially people with pulmonary or
respiratory disease such as asthma, should limit prolonged outdoor
activity.
Area residents are urged to reduce pollution levels. Air quality
forecasts, current air quality, and tips on how you can reduce your
emissions can be found at www.airnow.gov.
Media contact...Illinois EPA.
https://wxn.io/czx70
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 040910
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
410 AM CDT Wed Jun 4 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
410 AM CDT Wed Jun 4 2025 /510 AM EDT Wed Jun 4 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph.
DISCUSSION...
A few thunderstorms are expected this afternoon southeast of a
Valparaiso to Pontiac line. An isolated severe thunderstorm or two
with locally damaging winds to 60 mph cannot be ruled out.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Friday afternoon and night...
Limited Thunderstorm Risk well south of I-80.
.SPOTTER INFORMATION STATEMENT...
Spotters may be needed between 2 pm and 8 pm southeast of a
Valparaiso to Pontiac line.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at 35 to 40 mph.
https://wxn.io/4pzze
FLUS43 KLOT 040910
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
410 AM CDT Wed Jun 4 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
410 AM CDT Wed Jun 4 2025 /510 AM EDT Wed Jun 4 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph.
DISCUSSION...
A few thunderstorms are expected this afternoon southeast of a
Valparaiso to Pontiac line. An isolated severe thunderstorm or two
with locally damaging winds to 60 mph cannot be ruled out.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Friday afternoon and night...
Limited Thunderstorm Risk well south of I-80.
.SPOTTER INFORMATION STATEMENT...
Spotters may be needed between 2 pm and 8 pm southeast of a
Valparaiso to Pontiac line.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at 35 to 40 mph.
https://wxn.io/4pzze
Tuesday, June 3, 2025
Special Weather Statement for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
WWUS83 KLOT 040219
SPSLOT
Special Weather Statement
National Weather Service Chicago/Romeoville
919 PM CDT Tue Jun 3 2025
Kane IL-De Kalb IL-Boone IL-McHenry IL-
919 PM CDT Tue Jun 3 2025
...STRONG THUNDERSTORMS WILL IMPACT NORTHEASTERN DE KALB...NORTHERN
KANE...MCHENRY AND NORTHEASTERN BOONE COUNTIES THROUGH 945 PM CDT...
At 919 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Sharon to Marengo to near Maple Park.
Movement was northeast at 55 mph.
HAZARD...Wind gusts of up to 55 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Oakwood Hills, Algonquin, Lily Lake, Woodstock, West Dundee,
Ridgefield, South Elgin, Garden Prairie, Chemung, Huntley, Greenwood,
Gilberts, Lakewood, Marengo, Crystal Lake, Sleepy Hollow, Richmond,
Capron, Carpentersville, Spring Grove, McCullom Lake, Union, Harvard,
Campton Hills, and Hebron.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
north central Illinois.
&&
LAT...LON 4243 8823 4207 8825 4207 8826 4200 8826
4185 8861 4219 8870 4249 8890 4250 8828
TIME...MOT...LOC 0219Z 235DEG 48KT 4251 8880 4224 8862 4194 8855
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH
https://wxn.io/zugh6
WWUS83 KLOT 040219
SPSLOT
Special Weather Statement
National Weather Service Chicago/Romeoville
919 PM CDT Tue Jun 3 2025
Kane IL-De Kalb IL-Boone IL-McHenry IL-
919 PM CDT Tue Jun 3 2025
...STRONG THUNDERSTORMS WILL IMPACT NORTHEASTERN DE KALB...NORTHERN
KANE...MCHENRY AND NORTHEASTERN BOONE COUNTIES THROUGH 945 PM CDT...
At 919 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Sharon to Marengo to near Maple Park.
Movement was northeast at 55 mph.
HAZARD...Wind gusts of up to 55 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Oakwood Hills, Algonquin, Lily Lake, Woodstock, West Dundee,
Ridgefield, South Elgin, Garden Prairie, Chemung, Huntley, Greenwood,
Gilberts, Lakewood, Marengo, Crystal Lake, Sleepy Hollow, Richmond,
Capron, Carpentersville, Spring Grove, McCullom Lake, Union, Harvard,
Campton Hills, and Hebron.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
north central Illinois.
&&
LAT...LON 4243 8823 4207 8825 4207 8826 4200 8826
4185 8861 4219 8870 4249 8890 4250 8828
TIME...MOT...LOC 0219Z 235DEG 48KT 4251 8880 4224 8862 4194 8855
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH
https://wxn.io/zugh6
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 031955
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
255 PM CDT Tue Jun 3 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
255 PM CDT Tue Jun 3 2025 /355 PM EDT Tue Jun 3 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph.
High Swim Risk Lake Michigan Beaches north of Evanston.
DISCUSSION...
Thunderstorms are possible across northwest Illinois along and
west of the Interstate 39 corridor this evening. These storms may
produce strong to severe wind gusts before weakening by the late
evening.
High waves will lead to dangerous swimming conditions at Lake
Michigan beaches north of Evanston through this evening.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Wednesday...
Limited Thunderstorm Risk, mainly south of Interstate 80.
Thursday Night and Friday...
Limited Thunderstorm Risk, mainly south of Interstate 80.
Sunday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotters may be needed this evening, especially across northwest
Illinois and the Rockford area.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at 40 to 50 mph.
https://wxn.io/41pw3
FLUS43 KLOT 031955
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
255 PM CDT Tue Jun 3 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
255 PM CDT Tue Jun 3 2025 /355 PM EDT Tue Jun 3 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph.
High Swim Risk Lake Michigan Beaches north of Evanston.
DISCUSSION...
Thunderstorms are possible across northwest Illinois along and
west of the Interstate 39 corridor this evening. These storms may
produce strong to severe wind gusts before weakening by the late
evening.
High waves will lead to dangerous swimming conditions at Lake
Michigan beaches north of Evanston through this evening.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Wednesday...
Limited Thunderstorm Risk, mainly south of Interstate 80.
Thursday Night and Friday...
Limited Thunderstorm Risk, mainly south of Interstate 80.
Sunday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotters may be needed this evening, especially across northwest
Illinois and the Rockford area.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at 40 to 50 mph.
https://wxn.io/41pw3
Severe Thunderstorm Warning Expiration for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
WWUS53 KLOT 031859
SVSLOT
Severe Weather Statement
National Weather Service Chicago/Romeoville
159 PM CDT Tue Jun 3 2025
/O.EXP.KLOT.SV.W.0047.000000T0000Z-250603T1900Z/
McHenry IL-
159 PM CDT Tue Jun 3 2025
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MCHENRY COUNTY
WILL EXPIRE AT 200 PM CDT...
The portion of the storm which prompted the warning have moved out
of the area. Therefore, the warning will be allowed to expire.
However, gusty winds are still possible with these thunderstorms.
&&
LAT...LON 4224 8852 4250 8856 4250 8842 4249 8820
4230 8820
TIME...MOT...LOC 1858Z 255DEG 43KT 4255 8818 4235 8815
https://wxn.io/1rwvh
WWUS53 KLOT 031859
SVSLOT
Severe Weather Statement
National Weather Service Chicago/Romeoville
159 PM CDT Tue Jun 3 2025
/O.EXP.KLOT.SV.W.0047.000000T0000Z-250603T1900Z/
McHenry IL-
159 PM CDT Tue Jun 3 2025
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MCHENRY COUNTY
WILL EXPIRE AT 200 PM CDT...
The portion of the storm which prompted the warning have moved out
of the area. Therefore, the warning will be allowed to expire.
However, gusty winds are still possible with these thunderstorms.
&&
LAT...LON 4224 8852 4250 8856 4250 8842 4249 8820
4230 8820
TIME...MOT...LOC 1858Z 255DEG 43KT 4255 8818 4235 8815
https://wxn.io/1rwvh
Severe Weather Statement for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
WWUS53 KLOT 031842
SVSLOT
Severe Weather Statement
National Weather Service Chicago/Romeoville
142 PM CDT Tue Jun 3 2025
/O.CON.KLOT.SV.W.0047.000000T0000Z-250603T1900Z/
McHenry IL-
142 PM CDT Tue Jun 3 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CDT
FOR NORTHEASTERN MCHENRY COUNTY...
At 139 PM CDT, severe thunderstorms were located along a line
extending from near Hebron to Woodstock, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Broadcast media reported downed trees on powerlines 2 miles
south of Harvard around 130 CDT.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Greenwood, Wonder Lake, Spring Grove, McCullom Lake, Woodstock,
Hebron, McHenry, Lakemoor, Bull Valley, Johnsburg, Ringwood,
Richmond, Pistakee Highlands, Ridgefield, Holiday Hills, Prairie
Grove, Fox Lake, Genoa City, Island Lake, and Crystal Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4224 8852 4250 8856 4250 8842 4249 8820
4230 8820
TIME...MOT...LOC 1839Z 255DEG 41KT 4250 8846 4230 8843
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
https://wxn.io/yoi41
WWUS53 KLOT 031842
SVSLOT
Severe Weather Statement
National Weather Service Chicago/Romeoville
142 PM CDT Tue Jun 3 2025
/O.CON.KLOT.SV.W.0047.000000T0000Z-250603T1900Z/
McHenry IL-
142 PM CDT Tue Jun 3 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CDT
FOR NORTHEASTERN MCHENRY COUNTY...
At 139 PM CDT, severe thunderstorms were located along a line
extending from near Hebron to Woodstock, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Broadcast media reported downed trees on powerlines 2 miles
south of Harvard around 130 CDT.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Greenwood, Wonder Lake, Spring Grove, McCullom Lake, Woodstock,
Hebron, McHenry, Lakemoor, Bull Valley, Johnsburg, Ringwood,
Richmond, Pistakee Highlands, Ridgefield, Holiday Hills, Prairie
Grove, Fox Lake, Genoa City, Island Lake, and Crystal Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4224 8852 4250 8856 4250 8842 4249 8820
4230 8820
TIME...MOT...LOC 1839Z 255DEG 41KT 4250 8846 4230 8843
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
https://wxn.io/yoi41
Severe Weather Statement for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
WWUS53 KLOT 031826
SVSLOT
Severe Weather Statement
National Weather Service Chicago/Romeoville
126 PM CDT Tue Jun 3 2025
/O.CON.KLOT.SV.W.0047.000000T0000Z-250603T1900Z/
McHenry IL-
126 PM CDT Tue Jun 3 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CDT
FOR MCHENRY COUNTY...
At 124 PM CDT, severe thunderstorms were located along a line
extending from near Sharon to near Marengo, moving northeast at 45
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Greenwood, Wonder Lake, Spring Grove, McCullom Lake, Woodstock,
Harvard, Marengo, Hebron, McHenry, Lakemoor, Bull Valley, Johnsburg,
Ringwood, Chemung, Richmond, Pistakee Highlands, Ridgefield, Holiday
Hills, Union, Prairie Grove, Fox Lake, Genoa City, and Island Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4230 8820 4221 8870 4249 8871 4250 8842
4249 8820
TIME...MOT...LOC 1824Z 256DEG 40KT 4245 8873 4225 8870
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
https://wxn.io/mtzct
WWUS53 KLOT 031826
SVSLOT
Severe Weather Statement
National Weather Service Chicago/Romeoville
126 PM CDT Tue Jun 3 2025
/O.CON.KLOT.SV.W.0047.000000T0000Z-250603T1900Z/
McHenry IL-
126 PM CDT Tue Jun 3 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CDT
FOR MCHENRY COUNTY...
At 124 PM CDT, severe thunderstorms were located along a line
extending from near Sharon to near Marengo, moving northeast at 45
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Greenwood, Wonder Lake, Spring Grove, McCullom Lake, Woodstock,
Harvard, Marengo, Hebron, McHenry, Lakemoor, Bull Valley, Johnsburg,
Ringwood, Chemung, Richmond, Pistakee Highlands, Ridgefield, Holiday
Hills, Union, Prairie Grove, Fox Lake, Genoa City, and Island Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4230 8820 4221 8870 4249 8871 4250 8842
4249 8820
TIME...MOT...LOC 1824Z 256DEG 40KT 4245 8873 4225 8870
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
https://wxn.io/mtzct
Severe Thunderstorm Warning for McHenry Co., IL until 2:00 PM CDT 6/3
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
WUUS53 KLOT 031810
SVRLOT
/O.NEW.KLOT.SV.W.0047.250603T1810Z-250603T1900Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Chicago/Romeoville
110 PM CDT Tue Jun 3 2025
The National Weather Service in Chicago has issued a
* Severe Thunderstorm Warning for...
McHenry County in northeastern Illinois...
* Until 200 PM CDT.
* At 110 PM CDT, severe thunderstorms were located along a line
extending from near Roscoe to near Belvidere, moving east at 50
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Greenwood, Wonder Lake, Spring Grove, McCullom Lake, Woodstock,
Harvard, Marengo, Hebron, McHenry, Lakemoor, Bull Valley,
Johnsburg, Ringwood, Chemung, Richmond, Pistakee Highlands,
Ridgefield, Holiday Hills, Union, Prairie Grove, Fox Lake, Genoa
City, and Island Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4230 8820 4221 8870 4249 8871 4250 8842
4249 8820
TIME...MOT...LOC 1810Z 255DEG 43KT 4245 8897 4221 8889
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
https://wxn.io/uwkhq
WUUS53 KLOT 031810
SVRLOT
/O.NEW.KLOT.SV.W.0047.250603T1810Z-250603T1900Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Chicago/Romeoville
110 PM CDT Tue Jun 3 2025
The National Weather Service in Chicago has issued a
* Severe Thunderstorm Warning for...
McHenry County in northeastern Illinois...
* Until 200 PM CDT.
* At 110 PM CDT, severe thunderstorms were located along a line
extending from near Roscoe to near Belvidere, moving east at 50
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Greenwood, Wonder Lake, Spring Grove, McCullom Lake, Woodstock,
Harvard, Marengo, Hebron, McHenry, Lakemoor, Bull Valley,
Johnsburg, Ringwood, Chemung, Richmond, Pistakee Highlands,
Ridgefield, Holiday Hills, Union, Prairie Grove, Fox Lake, Genoa
City, and Island Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4230 8820 4221 8870 4249 8871 4250 8842
4249 8820
TIME...MOT...LOC 1810Z 255DEG 43KT 4245 8897 4221 8889
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
https://wxn.io/uwkhq
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 031733
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1233 PM CDT Tue Jun 3 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
1233 PM CDT Tue Jun 3 2025 /133 PM EDT Tue Jun 3 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...This Afternoon and Tonight.
Weather hazards expected...
Elevated Thunderstorm Risk...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph.
DISCUSSION...
A few thunderstorms are expected this afternoon and evening
northwest of I-55. Storms this evening could be strong to
severe, especially near and west of the I-39 corridor, with
strong wind gusts as the primary hazard.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Wednesday...
Limited Thunderstorm Risk, mainly south of I-80.
Thursday night and Friday...
Limited Thunderstorm Risk, mainly south of I-80.
Sunday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected to be needed.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at around 40-45 mph.
https://wxn.io/248zt
FLUS43 KLOT 031733
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1233 PM CDT Tue Jun 3 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
1233 PM CDT Tue Jun 3 2025 /133 PM EDT Tue Jun 3 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...This Afternoon and Tonight.
Weather hazards expected...
Elevated Thunderstorm Risk...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph.
DISCUSSION...
A few thunderstorms are expected this afternoon and evening
northwest of I-55. Storms this evening could be strong to
severe, especially near and west of the I-39 corridor, with
strong wind gusts as the primary hazard.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Wednesday...
Limited Thunderstorm Risk, mainly south of I-80.
Thursday night and Friday...
Limited Thunderstorm Risk, mainly south of I-80.
Sunday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected to be needed.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at around 40-45 mph.
https://wxn.io/248zt
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