Headline:
Severe Thunderstorm Watch issued August 21 at 8:35PM CDT until August 21 at 10:00PM CDT by NWS Chicago IL
Event:
Severe Thunderstorm Watch
Urgency:
Future
Effective:
August 21, 2026 - 6:35pm
Expires:
August 21, 2026 - 8:00pm
Description:
SEVERE THUNDERSTORM WATCH 610 REMAINS VALID UNTIL 10 PM CDT THIS
EVENING FOR THE FOLLOWING AREAS
THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS
WILMETTE HARBOR TO NORTHERLY ISLAND IL
NORTHERLY ISLAND TO CALUMET HARBOR IL
CALUMET HARBOR IL TO GARY IN
GARY TO BURNS HARBOR IN
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5NM
OFFSHORE TO MID LAKE
Area Description:
Wilmette Harbor to Northerly Island IL; Northerly Island to Calumet Harbor IL; Calumet Harbor IL to Gary IN; Gary to Burns Harbor IN; Lake Michigan from Wilmette Harbor to Michigan City in 5NM offshore to Mid Lake
Forcast Office:
NWS Chicago IL
Sender:
w-nws.webmaster@noaa.gov