Weather Alerts-

Attend to information sources as described in the instructions

Chicago - IL, US, National Weather Service

Lake County

SEVERE THUNDERSTORM WATCH 35 REMAINS VALID UNTIL MIDNIGHT CDT TONIGHT FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 12 COUNTIES IN NORTH CENTRAL ILLINOIS BOONE DE KALB LEE OGLE WINNEBAGO IN NORTHEAST ILLINOIS COOK DUPAGE KANE KENDALL LAKE IL MCHENRY WILL THIS INCLUDES THE CITIES OF ALGONQUIN, AURORA, BELVIDERE, BOLINGBROOK, BUFFALO GROVE, BYRON, CAROL STREAM, CHICAGO, CRYSTAL LAKE, DEKALB, DIXON, DOWNERS GROVE, ELGIN, EVANSTON, GURNEE, JOLIET, LEMONT, LOMBARD, MCHENRY, MUNDELEIN, NAPERVILLE, OAK LAWN, OREGON, ORLAND PARK, OSWEGO, PARK FOREST, PLANO, ROCHELLE, ROCKFORD, SCHAUMBURG, SYCAMORE, WAUKEGAN, WHEATON, WILMINGTON, WOODSTOCK, AND YORKVILLE.

Avoid the subject event as per the instructions

Chicago - IL, US, National Weather Service

Winthrop Harbor to Northerly Island, IL

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT THURSDAY... WHAT...North winds to 30 kt and significant waves to 6 ft occasionally to 8 ft. WHERE...Winthrop Harbor to Northerly Island, IL. WHEN...Until 4 AM CDT Thursday. IMPACTS...Conditions will be hazardous to small craft. ADDITIONAL DETAILS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

Attend to information sources as described in the instructions

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 Michigan City... Open Waters from Winthrop Harbor to Michigan City out to Mid Lake... At 842 PM CDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots and small hail. These thunderstorms were located along a line extending from near Ohare Airport to 11 nm south of Joliet, moving northeast at 30 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 1100 PM CDT for northwestern Indiana. 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.