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
Friday, June 6, 2025
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
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