Iowa, Illinois, Missouri Severe Severe Thunderstorm Watch | Effective 07/20/2026 15:39

Headline: 
Severe Thunderstorm Watch issued July 20 at 5:39PM CDT until July 20 at 11:00PM CDT by NWS Quad Cities IA IL
Event: 
Severe Thunderstorm Watch
Urgency: 
Future
Effective: 
July 20, 2026 - 3:39pm
Expires: 
July 20, 2026 - 9:00pm
Description: 
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 504 IN EFFECT UNTIL 11 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 10 COUNTIES IN NORTH CENTRAL ILLINOIS BUREAU PUTNAM IN NORTHWEST ILLINOIS HENRY IL MERCER ROCK ISLAND WHITESIDE IN WEST CENTRAL ILLINOIS HANCOCK HENDERSON MCDONOUGH WARREN IN IOWA THIS WATCH INCLUDES 2 COUNTIES IN EAST CENTRAL IOWA CLINTON SCOTT IN MISSOURI THIS WATCH INCLUDES 2 COUNTIES IN NORTHEAST MISSOURI CLARK SCOTLAND THIS INCLUDES THE CITIES OF ALEDO, BETTENDORF, CARTHAGE, CLINTON, CREDIT ISLAND, DAVENPORT, GENESEO, HENNEPIN, KAHOKA, MACOMB, MEMPHIS, MOLINE, MONMOUTH, OQUAWKA, PRINCETON, ROCK ISLAND, AND STERLING.
Area Description: 
Clinton, IA; Scott, IA; Bureau, IL; Hancock, IL; Henderson, IL; Henry, IL; McDonough, IL; Mercer, IL; Putnam, IL; Rock Island, IL; Warren, IL; Whiteside, IL; Clark, MO; Scotland, MO
Forcast Office: 
NWS Quad Cities IA IL