Illinois Tornado Watch | Effective 04/17/2026 18:56

Headline: 
Tornado Watch issued April 17 at 8:56PM CDT until April 17 at 10:00PM CDT by NWS Chicago IL
Event: 
Tornado Watch
Urgency: 
Future
Effective: 
April 17, 2026 - 6:56pm
Expires: 
April 17, 2026 - 8:00pm
Description: 
TORNADO WATCH 129 REMAINS VALID UNTIL 10 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 3 COUNTIES IN NORTH CENTRAL ILLINOIS DE KALB LA SALLE IN NORTHEAST ILLINOIS MCHENRY THIS INCLUDES THE CITIES OF ALGONQUIN, CRYSTAL LAKE, DEKALB, LA SALLE, MARSEILLES, MCHENRY, MENDOTA, OTTAWA, STREATOR, SYCAMORE, AND WOODSTOCK.
Area Description: 
De Kalb, IL; La Salle, IL; McHenry, IL
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov