Weather Alerts-

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Chicago - IL, US, National Weather Service

Cook County

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 77 IN EFFECT UNTIL 3 AM CDT TUESDAY FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 14 COUNTIES IN NORTH CENTRAL ILLINOIS BOONE DE KALB LA SALLE LEE OGLE WINNEBAGO IN NORTHEAST ILLINOIS COOK DUPAGE GRUNDY KANE KENDALL LAKE IL MCHENRY WILL THIS INCLUDES THE CITIES OF ALGONQUIN, AURORA, BELVIDERE, BOLINGBROOK, BUFFALO GROVE, BYRON, CAROL STREAM, CHICAGO, COAL CITY, CRYSTAL LAKE, DEKALB, DIXON, DOWNERS GROVE, ELGIN, EVANSTON, GURNEE, JOLIET, LA SALLE, LEMONT, LOMBARD, MARSEILLES, MCHENRY, MENDOTA, MINOOKA, MORRIS, MUNDELEIN, NAPERVILLE, OAK LAWN, OREGON, ORLAND PARK, OSWEGO, OTTAWA, PARK FOREST, PLANO, ROCHELLE, ROCKFORD, SCHAUMBURG, STREATOR, SYCAMORE, WAUKEGAN, WHEATON, WILMINGTON, WOODSTOCK, AND YORKVILLE.

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Chicago - IL, US, National Weather Service

Winthrop Harbor to Wilmette Harbor IL

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 77 IN EFFECT UNTIL 3 AM CDT TUESDAY 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 LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5NM OFFSHORE TO MID LAKE LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5NM OFFSHORE TO MID LAKE

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Chicago - IL, US, National Weather Service

Winthrop Harbor to Wilmette Harbor IL

The National Weather Service in Chicago has issued a Special Marine Warning for... Nearshore Waters from Winthrop Harbor to Northerly Island... Open Waters from Winthrop Harbor to Michigan City out to Mid Lake... Until 1115 PM CDT. At 955 PM CDT, a strong thunderstorm was located 10 nm northeast of Elgin, or 18 nm southwest of Waukegan Harbor, moving east at 45 knots. HAZARD...Wind gusts 34 knots or greater and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include... Wilmette Harbor. PRECAUTIONARY/PREPAREDNESS ACTIONS... HAIL...<.75IN; WIND...>34KTS

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Chicago - IL, US, National Weather Service

Winthrop Harbor to Calumet Harbor IL

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM CDT WEDNESDAY... WHAT...Southwest winds to 25 kt tonight and early Tuesday then northwest winds to 30 kt. Significant waves to 8 ft occasionally to 10 ft. WHERE...Winthrop Harbor to Calumet Harbor IL. WHEN...Until 7 PM CDT Wednesday. IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

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Chicago - IL, US, National Weather Service

Winthrop Harbor to Wilmette Harbor IL

...STRONG THUNDERSTORMS APPROACHING THE WATERS... The areas affected include... Nearshore Waters from Winthrop Harbor to Calumet Harbor... Nearshore Waters from Calumet Harbor to Gary... Open Waters from Winthrop Harbor to Michigan City out to Mid Lake... At 943 PM CDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots. These thunderstorms were located along a line extending from 10 nm southeast of McHenry to 11 nm east of Aurora to 17 nm west of Joliet, moving east at 45 knots. strong thunderstorms will be near... Montrose Harbor, Wilmette Harbor, Monroe Harbor, Burnham Harbor, Belmont Harbor, and Diversy Harbor around 1000 PM CDT. 31st Street Harbor, Harrison-Dever Crib, 59th Street Marina, and DuSable Harbor around 1005 PM CDT. Jackson Park Harbor around 1010 PM CDT. Calumet Harbor around 1015 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until these storms pass.