Severe Thunderstorm Watch — Iroquois County, Illinois
Conditions favor the development of severe thunderstorms in and near the watch area.
Current Status
⛈️ Active: Severe Thunderstorm Watch
Severe Thunderstorm Watch issued August 9 at 8:44PM CDT until August 10 at 4:00AM CDT by NWS Chicago IL
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 550 IN EFFECT UNTIL 4 AM CDT /5 AM EDT/ MONDAY FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 18 COUNTIES IN CENTRAL ILLINOIS LIVINGSTON IN EAST CENTRAL ILLINOIS FORD IROQUOIS IN NORTH CENTRAL ILLINOIS BOONE DE KALB LA SALLE LEE OGLE WINNEBAGO IN NORTHEAST ILLINOIS COOK DUPAGE GRUNDY KANE KANKAKEE KENDALL LAKE IL MCHENRY WILL IN INDIANA THIS WATCH INCLUDES 5 COUNTIES IN NORTHWEST INDIANA BENTON JASPER LAKE IN NEWTON PORTER THIS INCLUDES THE CITIES OF ALGONQUIN, AURORA, BELVIDERE, BOLINGBROOK, BOURBONNAIS, BUFFALO GROVE, BYRON, CAROL STREAM, CHESTERTON, CHICAGO, COAL CITY, CRYSTAL LAKE, DEKALB, DEMOTTE, DIXON, DOWNERS GROVE, DWIGHT, ELGIN, EVANSTON, FAIRBURY, FOWLER, GARY, GIBSON CITY, G
Effective August 9, 2026 at 9:44 PM ET · Expires August 10, 2026 at 5:00 AM ET
Event Details
Event Type
Severe Thunderstorm Watch
Severity
severe
Issued By
NWS Chicago IL
Expires
August 10, 2026 at 5:00 AM ET
Last Checked
1 minute ago
Also In Effect For
This same Severe Thunderstorm Watch also covers:
Other Active Alerts in Illinois
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Flood Advisory
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Flood Advisory
Get Severe Thunderstorm Watch Alerts for Iroquois County
StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
Frequently Asked Questions
What does a Severe Thunderstorm Watch mean for Iroquois County, Illinois?
Conditions favor the development of severe thunderstorms in and near the watch area.
Is this Severe Thunderstorm Watch currently active?
Yes — this alert is active as of our last check (1 minute ago). It's set to expire August 10, 2026 at 5:00 AM ET.
How do I get notified about Severe Thunderstorm Watch alerts for Iroquois County?
Download StormCast free on Google Play and set Iroquois County, Illinois as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Severe Thunderstorm Watch is also in effect for Jasper County, Cook County, Porter County, Boone County, De Kalb County, DuPage County, Kankakee County, Winnebago County, La Salle County, Ford County, Grundy County, Newton County, Livingston County, Ogle County, Benton County, Kendall County, Lake County, Kane County, Lake County, Lee County, McHenry County, Will County.