Active Weather Alerts
Severe Thunderstorm Watch
Issued: 10:11 PM Aug. 21, 2026 – National Weather Service
IL . ILLINOIS COUNTIES INCLUDED ARE BOONE BUREAU CARROLL COOK DE KALB DUPAGE FORD FULTON GRUNDY HENRY IROQUOIS JO DAVIESS KANE KANKAKEE KENDALL KNOX LAKE LA SALLE LEE LIVINGSTON MCHENRY MCLEAN MARSHALL MERCER OGLE PEORIA PUTNAM ROCK ISLAND STARK STEPHENSON TAZEWELL WHITESIDE WILL WINNEBAGO WOODFORD
Severe Thunderstorm Watch
Issued: 10:11 PM Aug. 21, 2026 – National Weather Service
CW . ADJACENT COASTAL WATERS INCLUDED ARE 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 LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5NM OFFSHORE TO MID LAKE LAKE MICHIGAN FROM WILMETTE HARBOR TO MICHIGAN CITY IN 5NM OFFSHORE TO MID LAKE
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