C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 170817
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
317 AM CDT Sat May 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-
317 AM CDT Sat May 17 2025 /417 AM EDT Sat May 17 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.
Monday Night and Tuesday...
Limited Flooding Risk.
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
https://wxn.io/puklk
Saturday, May 17, 2025
Friday, May 16, 2025
Wind Advisory Cancellation for McHenry Co., IL, Blowing Dust Advisory Expiration for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
WWUS73 KLOT 170151
NPWLOT
URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
851 PM CDT Fri May 16 2025
/O.CAN.KLOT.WI.Y.0011.000000T0000Z-250517T0500Z/
/O.EXP.KLOT.DU.Y.0001.000000T0000Z-250517T0200Z/
Winnebago-Boone-McHenry-Ogle-Lee-De Kalb-Kane-La Salle-Kendall-
Grundy-Kankakee-Livingston-Iroquois-Ford-Southern Will-Newton-
Jasper-Benton-
Including the cities of Oxford, Algonquin, Paxton, McHenry,
Woodstock, Sycamore, Elgin, Mendota, Marseilles, Oswego, Dwight,
Channahon, Oregon, Coal City, Fairbury, Kankakee, Plano,
Roselawn, Minooka, Crystal Lake, Fowler, Kentland, Yorkville,
Streator, Gibson City, Aurora, Byron, Ottawa, Rockford, DeKalb,
Pontiac, Rensselaer, La Salle, Morris, Dixon, Rochelle, Bradley,
Morocco, Manhattan, Belvidere, Wilmington, DeMotte, Gilman,
Bourbonnais, and Watseka
851 PM CDT Fri May 16 2025 /951 PM EDT Fri May 16 2025/
...WIND ADVISORY IS CANCELLED...
...BLOWING DUST ADVISORY WILL EXPIRE AT 9 PM CDT /10 PM EDT/ THIS
EVENING...
While west winds will remain breezy overnight, gusts should largely
remain below 45 mph from this point forward. So, the Wind Advisory
is being cancelled early.
Areas of blowing dust continue to ease as well, allowing the Blowing
Dust Advisory to expire at the scheduled expiration time.
https://wxn.io/i0mfb
WWUS73 KLOT 170151
NPWLOT
URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
851 PM CDT Fri May 16 2025
/O.CAN.KLOT.WI.Y.0011.000000T0000Z-250517T0500Z/
/O.EXP.KLOT.DU.Y.0001.000000T0000Z-250517T0200Z/
Winnebago-Boone-McHenry-Ogle-Lee-De Kalb-Kane-La Salle-Kendall-
Grundy-Kankakee-Livingston-Iroquois-Ford-Southern Will-Newton-
Jasper-Benton-
Including the cities of Oxford, Algonquin, Paxton, McHenry,
Woodstock, Sycamore, Elgin, Mendota, Marseilles, Oswego, Dwight,
Channahon, Oregon, Coal City, Fairbury, Kankakee, Plano,
Roselawn, Minooka, Crystal Lake, Fowler, Kentland, Yorkville,
Streator, Gibson City, Aurora, Byron, Ottawa, Rockford, DeKalb,
Pontiac, Rensselaer, La Salle, Morris, Dixon, Rochelle, Bradley,
Morocco, Manhattan, Belvidere, Wilmington, DeMotte, Gilman,
Bourbonnais, and Watseka
851 PM CDT Fri May 16 2025 /951 PM EDT Fri May 16 2025/
...WIND ADVISORY IS CANCELLED...
...BLOWING DUST ADVISORY WILL EXPIRE AT 9 PM CDT /10 PM EDT/ THIS
EVENING...
While west winds will remain breezy overnight, gusts should largely
remain below 45 mph from this point forward. So, the Wind Advisory
is being cancelled early.
Areas of blowing dust continue to ease as well, allowing the Blowing
Dust Advisory to expire at the scheduled expiration time.
https://wxn.io/i0mfb
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 170138
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
838 PM CDT Fri May 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-
838 PM CDT Fri May 16 2025 /938 PM EDT Fri May 16 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Elevated Non Thunderstorm Wind Risk.
DISCUSSION...
Breezy west winds gusting 35 to 45 mph will continue through the
evening.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated at this time.
https://wxn.io/hd6f4
FLUS43 KLOT 170138
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
838 PM CDT Fri May 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-
838 PM CDT Fri May 16 2025 /938 PM EDT Fri May 16 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Elevated Non Thunderstorm Wind Risk.
DISCUSSION...
Breezy west winds gusting 35 to 45 mph will continue through the
evening.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated at this time.
https://wxn.io/hd6f4
Blowing Dust Advisory for McHenry Co., IL until 9:00 PM CDT 5/16, Wind Advisory for McHenry Co., IL until 12:00 AM CDT 5/17
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
WWUS73 KLOT 162132
NPWLOT
URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
432 PM CDT Fri May 16 2025
/O.EXB.KLOT.DU.Y.0001.000000T0000Z-250517T0200Z/
/O.CON.KLOT.WI.Y.0011.000000T0000Z-250517T0500Z/
Winnebago-Boone-McHenry-Ogle-Lee-De Kalb-Kane-La Salle-Kendall-
Grundy-Southern Will-
Including the cities of Algonquin, McHenry, Woodstock, Sycamore,
Elgin, Mendota, Marseilles, Oswego, Channahon, Oregon, Coal City,
Plano, Minooka, Crystal Lake, Yorkville, Streator, Aurora, Byron,
Ottawa, Rockford, DeKalb, La Salle, Morris, Dixon, Rochelle,
Manhattan, Belvidere, and Wilmington
432 PM CDT Fri May 16 2025
...BLOWING DUST ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING...
...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CDT TONIGHT...
* WHAT...For the Blowing Dust Advisory, localized visibility
reductions below 1 mile in open areas expected. For the Wind
Advisory, southwest winds 20 to 30 mph with gusts up to 50 mph
expected.
* WHERE...Boone, De Kalb, La Salle, Lee, Ogle, Winnebago, Grundy,
Kane, Kendall, McHenry, and Southern Will Counties.
* WHEN...For the Blowing Dust Advisory, until 9 PM CDT this evening.
For the Wind Advisory, until midnight CDT tonight.
* IMPACTS...Hazardous driving conditions due to reduced visibility.
Gusty winds will blow around unsecured objects. Tree limbs could
be blown down and a few power outages may result.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Persons with respiratory problems should make preparations to stay
indoors. Be ready for a sudden drop in visibility. If you encounter
blowing dust or blowing sand on the roadway or see it approaching,
pull off the road as far as possible and put your vehicle in park.
Turn the lights all the way off and keep foot off the brake pedal.
Remember, 'Pull Aside, Stay Alive'.
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.
Secure outdoor objects.
&&
https://wxn.io/ar749
WWUS73 KLOT 162132
NPWLOT
URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
432 PM CDT Fri May 16 2025
/O.EXB.KLOT.DU.Y.0001.000000T0000Z-250517T0200Z/
/O.CON.KLOT.WI.Y.0011.000000T0000Z-250517T0500Z/
Winnebago-Boone-McHenry-Ogle-Lee-De Kalb-Kane-La Salle-Kendall-
Grundy-Southern Will-
Including the cities of Algonquin, McHenry, Woodstock, Sycamore,
Elgin, Mendota, Marseilles, Oswego, Channahon, Oregon, Coal City,
Plano, Minooka, Crystal Lake, Yorkville, Streator, Aurora, Byron,
Ottawa, Rockford, DeKalb, La Salle, Morris, Dixon, Rochelle,
Manhattan, Belvidere, and Wilmington
432 PM CDT Fri May 16 2025
...BLOWING DUST ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING...
...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CDT TONIGHT...
* WHAT...For the Blowing Dust Advisory, localized visibility
reductions below 1 mile in open areas expected. For the Wind
Advisory, southwest winds 20 to 30 mph with gusts up to 50 mph
expected.
* WHERE...Boone, De Kalb, La Salle, Lee, Ogle, Winnebago, Grundy,
Kane, Kendall, McHenry, and Southern Will Counties.
* WHEN...For the Blowing Dust Advisory, until 9 PM CDT this evening.
For the Wind Advisory, until midnight CDT tonight.
* IMPACTS...Hazardous driving conditions due to reduced visibility.
Gusty winds will blow around unsecured objects. Tree limbs could
be blown down and a few power outages may result.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Persons with respiratory problems should make preparations to stay
indoors. Be ready for a sudden drop in visibility. If you encounter
blowing dust or blowing sand on the roadway or see it approaching,
pull off the road as far as possible and put your vehicle in park.
Turn the lights all the way off and keep foot off the brake pedal.
Remember, 'Pull Aside, Stay Alive'.
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.
Secure outdoor objects.
&&
https://wxn.io/ar749
Wind Advisory for McHenry Co., IL until 12:00 AM CDT 5/17
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
WWUS73 KLOT 162052
NPWLOT
URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
352 PM CDT Fri May 16 2025
/O.CON.KLOT.WI.Y.0011.000000T0000Z-250517T0500Z/
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-La
Salle-Kendall-Grundy-Northern Cook-Central Cook-Southern Cook-
Northern Will-Southern Will-
Including the cities of Des Plaines, Algonquin, McHenry, Joliet,
Woodstock, Sycamore, Lemont, Plainfield, Elgin, Mendota, Carol
Stream, Marseilles, Oak Forest, Bolingbrook, Oswego, Gurnee, Oak
Park, Channahon, Oregon, Orland Park, Palatine, Naperville,
Waukegan, Coal City, Plano, Mundelein, Cicero, Minooka, Crystal
Lake, Evanston, Northbrook, Mokena, Oak Lawn, Yorkville,
Streator, Aurora, Chicago, Byron, Ottawa, Rockford, DeKalb,
Calumet City, La Salle, Wheaton, Park Forest, Morris, Dixon,
Rochelle, Schaumburg, Manhattan, Belvidere, Wilmington, Lombard,
Downers Grove, La Grange, and Buffalo Grove
352 PM CDT Fri May 16 2025
...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CDT TONIGHT...
* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 occurring.
* WHERE...Portions of north central and northeast Illinois.
* WHEN...Until midnight CDT tonight.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.
Secure outdoor objects.
&&
https://wxn.io/z5ftn
WWUS73 KLOT 162052
NPWLOT
URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
352 PM CDT Fri May 16 2025
/O.CON.KLOT.WI.Y.0011.000000T0000Z-250517T0500Z/
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-La
Salle-Kendall-Grundy-Northern Cook-Central Cook-Southern Cook-
Northern Will-Southern Will-
Including the cities of Des Plaines, Algonquin, McHenry, Joliet,
Woodstock, Sycamore, Lemont, Plainfield, Elgin, Mendota, Carol
Stream, Marseilles, Oak Forest, Bolingbrook, Oswego, Gurnee, Oak
Park, Channahon, Oregon, Orland Park, Palatine, Naperville,
Waukegan, Coal City, Plano, Mundelein, Cicero, Minooka, Crystal
Lake, Evanston, Northbrook, Mokena, Oak Lawn, Yorkville,
Streator, Aurora, Chicago, Byron, Ottawa, Rockford, DeKalb,
Calumet City, La Salle, Wheaton, Park Forest, Morris, Dixon,
Rochelle, Schaumburg, Manhattan, Belvidere, Wilmington, Lombard,
Downers Grove, La Grange, and Buffalo Grove
352 PM CDT Fri May 16 2025
...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CDT TONIGHT...
* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 occurring.
* WHERE...Portions of north central and northeast Illinois.
* WHEN...Until midnight CDT tonight.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.
Secure outdoor objects.
&&
https://wxn.io/z5ftn
Hazardous Weather Outlook for McHenry Co., IL
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 162025
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
325 PM CDT Fri May 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-
325 PM CDT Fri May 16 2025 /425 PM EDT Fri May 16 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...with an associated:
Level 3 of 5 Damaging Wind Risk...up to 75 mph.
Level 2 of 5 Large Hail Risk...up to gold ball size.
Level 1 of 5 Tornado Risk.
Elevated Non Thunderstorm Wind Risk.
Extreme Fire Weather Risk.
DISCUSSION...
Scattered severe thunderstorms are expected late this afternoon
into early this evening. A few storms may become severe with large
hail and damaging winds, mainly for areas along and east of
Interstate 55 and especially toward east-central Illinois and
west-central Indiana.
South to southwest non-thunderstorm winds may gust as high as 50
mph through this evening. For rural locations where little to no
rain fell on Thursday, sharply reduced visibility is possible due
to blowing dust.
The strong winds combined with very dry air will create a
elevated critical fire danger with the potential for wildfires
and rapid fire spread this afternoon where little to no rain fell
on Thursday.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Monday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotters may be needed through early evening.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at around 50 mph.
https://wxn.io/sae96
FLUS43 KLOT 162025
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
325 PM CDT Fri May 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-
325 PM CDT Fri May 16 2025 /425 PM EDT Fri May 16 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...with an associated:
Level 3 of 5 Damaging Wind Risk...up to 75 mph.
Level 2 of 5 Large Hail Risk...up to gold ball size.
Level 1 of 5 Tornado Risk.
Elevated Non Thunderstorm Wind Risk.
Extreme Fire Weather Risk.
DISCUSSION...
Scattered severe thunderstorms are expected late this afternoon
into early this evening. A few storms may become severe with large
hail and damaging winds, mainly for areas along and east of
Interstate 55 and especially toward east-central Illinois and
west-central Indiana.
South to southwest non-thunderstorm winds may gust as high as 50
mph through this evening. For rural locations where little to no
rain fell on Thursday, sharply reduced visibility is possible due
to blowing dust.
The strong winds combined with very dry air will create a
elevated critical fire danger with the potential for wildfires
and rapid fire spread this afternoon where little to no rain fell
on Thursday.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Monday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotters may be needed through early evening.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at around 50 mph.
https://wxn.io/sae96
Wind Advisory for McHenry Co., IL until 12:00 AM CDT 5/17
C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
WWUS73 KLOT 162009
NPWLOT
URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
309 PM CDT Fri May 16 2025
/O.CON.KLOT.WI.Y.0011.000000T0000Z-250517T0500Z/
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-La
Salle-Kendall-Grundy-Livingston-Northern Cook-Central Cook-
Southern Cook-Northern Will-Southern Will-
Including the cities of Oak Park, La Salle, Carol Stream,
Belvidere, Wilmington, Channahon, Mokena, McHenry, Rockford,
Byron, Fairbury, Plainfield, Elgin, Park Forest, Yorkville,
Aurora, Woodstock, Orland Park, Evanston, Minooka, Des Plaines,
Gurnee, Algonquin, Waukegan, Mendota, Pontiac, Chicago,
Schaumburg, Lombard, Dwight, Crystal Lake, Northbrook, DeKalb,
Oak Lawn, Oak Forest, Bolingbrook, Naperville, Calumet City,
Cicero, Joliet, Sycamore, Downers Grove, Marseilles, Oswego,
Palatine, Manhattan, Oregon, Morris, Mundelein, Wheaton, Dixon,
Plano, Lemont, Ottawa, Buffalo Grove, Streator, Coal City, La
Grange, and Rochelle
309 PM CDT Fri May 16 2025
...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CDT TONIGHT...
* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph.
* WHERE...Portions of central, north central, and northeast Illinois.
* WHEN...Until midnight CDT tonight.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.
Secure outdoor objects.
&&
https://wxn.io/p2l1h
WWUS73 KLOT 162009
NPWLOT
URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
309 PM CDT Fri May 16 2025
/O.CON.KLOT.WI.Y.0011.000000T0000Z-250517T0500Z/
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-La
Salle-Kendall-Grundy-Livingston-Northern Cook-Central Cook-
Southern Cook-Northern Will-Southern Will-
Including the cities of Oak Park, La Salle, Carol Stream,
Belvidere, Wilmington, Channahon, Mokena, McHenry, Rockford,
Byron, Fairbury, Plainfield, Elgin, Park Forest, Yorkville,
Aurora, Woodstock, Orland Park, Evanston, Minooka, Des Plaines,
Gurnee, Algonquin, Waukegan, Mendota, Pontiac, Chicago,
Schaumburg, Lombard, Dwight, Crystal Lake, Northbrook, DeKalb,
Oak Lawn, Oak Forest, Bolingbrook, Naperville, Calumet City,
Cicero, Joliet, Sycamore, Downers Grove, Marseilles, Oswego,
Palatine, Manhattan, Oregon, Morris, Mundelein, Wheaton, Dixon,
Plano, Lemont, Ottawa, Buffalo Grove, Streator, Coal City, La
Grange, and Rochelle
309 PM CDT Fri May 16 2025
...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CDT TONIGHT...
* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph.
* WHERE...Portions of central, north central, and northeast Illinois.
* WHEN...Until midnight CDT tonight.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.
Secure outdoor objects.
&&
https://wxn.io/p2l1h
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