Illinois, Indiana Severe Thunderstorm Watch | Effective 05/18/2026 08:03

Headline: 
Severe Thunderstorm Watch issued May 18 at 10:03AM CDT until May 18 at 5:00PM CDT by NWS Chicago IL
Event: 
Severe Thunderstorm Watch
Urgency: 
Future
Effective: 
May 18, 2026 - 8:03am
Expires: 
May 18, 2026 - 3:00pm
Description: 
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 220 IN EFFECT UNTIL 5 PM CDT /6 PM EDT/ THIS AFTERNOON FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 9 COUNTIES IN CENTRAL ILLINOIS LIVINGSTON IN EAST CENTRAL ILLINOIS FORD IROQUOIS IN NORTHEAST ILLINOIS COOK DUPAGE GRUNDY KANKAKEE KENDALL WILL IN INDIANA THIS WATCH INCLUDES 5 COUNTIES IN NORTHWEST INDIANA BENTON JASPER LAKE IN NEWTON PORTER THIS INCLUDES THE CITIES OF BOLINGBROOK, BOURBONNAIS, CAROL STREAM, CHESTERTON, CHICAGO, COAL CITY, DEMOTTE, DOWNERS GROVE, DWIGHT, EVANSTON, FAIRBURY, FOWLER, GARY, GIBSON CITY, GILMAN, HAMMOND, JOLIET, KANKAKEE, KENTLAND, LEMONT, LOMBARD, MERRILLVILLE, MINOOKA, MOROCCO, MORRIS, NAPERVILLE, OAK LAWN, ORLAND PARK, OSWEGO, OXFORD, PARK FOREST, PAXTON, PLANO, PONTIAC, PORTAGE, RENSSELAER, ROSELAWN, SCHAUMBURG, VALPARAISO, WATSEKA, WHEATON, WILMINGTON, AND YORKVILLE.
Area Description: 
Cook, IL; DuPage, IL; Ford, IL; Grundy, IL; Iroquois, IL; Kankakee, IL; Kendall, IL; Livingston, IL; Will, IL; Benton, IN; Jasper, IN; Lake, IN; Newton, IN; Porter, IN
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov