Active Weather Alerts
Severe Thunderstorm Warning
Issued: 8:09 PM Jun. 10, 2026 – National Weather Service
The National Weather Service in Chicago has issued a * Severe Thunderstorm Warning for... Lake County in northeastern Illinois... DuPage County in northeastern Illinois... Cook County in northeastern Illinois... * Until 430 PM CDT. * At 309 PM CDT, severe thunderstorms were located along a line extending from Richmond to Algonquin to Sugar Grove to near Newark, moving east at 50 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Severe thunderstorms will be near... Aurora, Naperville, Elgin, Schaumburg, Hoffman Estates, Bartlett, Streamwood, Hanover Park, St. Charles, and Round Lake Beach around 315 PM CDT. Palatine, Wheaton, Carol Stream, Mundelein, Grayslake, Rolling Meadows, Roselle, Bloomingdale, Lindenhurst, and Warrenville around 320 PM CDT. Waukegan, Arlington Heights, Buffalo Grove, Addison, Glendale Heights, Elk Grove Village, Gurnee, Glen Ellyn, Vernon Hills, and Libertyville around 325 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building. && TORNADO...POSSIBLE; THUNDERSTORM DAMAGE THREAT...CONSIDERABLE; HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...<.75 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...70 MPH
Special Marine Warning
Issued: 8:06 PM Jun. 10, 2026 – National Weather Service
The National Weather Service in Chicago has issued a * Special Marine Warning for... 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... * Until 500 PM CDT. * At 306 PM CDT, strong thunderstorms were located along a line extending from 8 nm north of McHenry to 11 nm southwest of Aurora, moving east at 50 knots. HAZARD...Wind gusts to nearly 50 knots. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Harrison-Dever Crib, Wilmette Harbor, 31st Street Harbor, Monroe Harbor, Burns Harbor, Calumet Harbor, Winthrop Harbor, Indiana Harbor, Montrose Harbor, Waukegan Harbor, Burnham Harbor, and Hammond Marina. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. && HAIL...0.00IN; WIND...49KTS
Small Craft Advisory
Issued: 7:57 PM Jun. 10, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING... * WHAT...Southwest winds to 25 kt. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...Until 9 PM CDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
Severe Thunderstorm Watch
Issued: 7:40 PM Jun. 10, 2026 – National Weather Service
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 304 IN EFFECT UNTIL 10 PM CDT /11 PM EDT/ THIS EVENING FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 12 COUNTIES IN CENTRAL ILLINOIS LIVINGSTON IN EAST CENTRAL ILLINOIS FORD IROQUOIS IN NORTH CENTRAL ILLINOIS LA SALLE IN NORTHEAST ILLINOIS COOK DUPAGE GRUNDY KANE KANKAKEE KENDALL LAKE IL WILL IN INDIANA THIS WATCH INCLUDES 5 COUNTIES IN NORTHWEST INDIANA BENTON JASPER LAKE IN NEWTON PORTER THIS INCLUDES THE CITIES OF AURORA, BOLINGBROOK, BOURBONNAIS, BUFFALO GROVE, CAROL STREAM, CHESTERTON, CHICAGO, COAL CITY, DEMOTTE, DOWNERS GROVE, DWIGHT, ELGIN, EVANSTON, FAIRBURY, FOWLER, GARY, GIBSON CITY, GILMAN, GURNEE, HAMMOND, JOLIET, KANKAKEE, KENTLAND, LA SALLE, LEMONT, LOMBARD, MARSEILLES, MENDOTA, MERRILLVILLE, MINOOKA, MOROCCO, MORRIS, MUNDELEIN, NAPERVILLE, OAK LAWN, ORLAND PARK, OSWEGO, OTTAWA, OXFORD, PARK FOREST, PAXTON, PLANO, PONTIAC, PORTAGE, RENSSELAER, ROSELAWN, SCHAUMBURG, STREATOR, VALPARAISO, WATSEKA, WAUKEGAN, WHEATON, WILMINGTON, AND YORKVILLE.
Severe Thunderstorm Watch
Issued: 7:40 PM Jun. 10, 2026 – National Weather Service
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 304 IN EFFECT UNTIL 10 PM CDT THIS EVENING 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
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