Iowa, Illinois Severe Severe Thunderstorm Watch | Effective 08/09/2026 18:43

Headline: 
Severe Thunderstorm Watch issued August 9 at 8:43PM CDT until August 10 at 4:00AM CDT by NWS Quad Cities IA IL
Event: 
Severe Thunderstorm Watch
Urgency: 
Future
Effective: 
August 9, 2026 - 6:43pm
Expires: 
August 10, 2026 - 2:00am
Description: 
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 550 IN EFFECT UNTIL 4 AM CDT MONDAY FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 9 COUNTIES IN NORTH CENTRAL ILLINOIS BUREAU PUTNAM IN NORTHWEST ILLINOIS CARROLL HENRY IL JO DAVIESS MERCER ROCK ISLAND STEPHENSON WHITESIDE IN IOWA THIS WATCH INCLUDES 3 COUNTIES IN EAST CENTRAL IOWA CLINTON JACKSON SCOTT THIS INCLUDES THE CITIES OF ALEDO, BETTENDORF, CLINTON, CREDIT ISLAND, DAVENPORT, FREEPORT, GALENA, GENESEO, HENNEPIN, MAQUOKETA, MOLINE, MOUNT CARROLL, PRINCETON, ROCK ISLAND, AND STERLING.
Area Description: 
Clinton, IA; Jackson, IA; Scott, IA; Bureau, IL; Carroll, IL; Henry, IL; Jo Daviess, IL; Mercer, IL; Putnam, IL; Rock Island, IL; Stephenson, IL; Whiteside, IL
Forcast Office: 
NWS Quad Cities IA IL
Sender: 
w-nws.webmaster@noaa.gov