Severe Severe Thunderstorm Watch | Effective 08/09/2026 18:44

Headline: 
Severe Thunderstorm Watch issued August 9 at 8:44PM CDT until August 10 at 4:00AM CDT by NWS Chicago IL
Event: 
Severe Thunderstorm Watch
Urgency: 
Future
Effective: 
August 9, 2026 - 6:44pm
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 THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS WINTHROP HARBOR TO WILMETTE HARBOR IL WILMETTE HARBOR TO NORTHERLY ISLAND IL NORTHERLY ISLAND TO CALUMET HARBOR IL CALUMET HARBOR IL TO GARY IN GARY TO BURNS HARBOR IN BURNS HARBOR TO MICHIGAN CITY IN
Area Description: 
Winthrop Harbor to Wilmette Harbor IL; Wilmette Harbor to Northerly Island IL; Northerly Island to Calumet Harbor IL; Calumet Harbor IL to Gary IN; Gary to Burns Harbor IN; Burns Harbor to Michigan City IN
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov