At 1159 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Bartlett to Addison to Hodgkins. Movement was north at 45 mph. HAZARD. Wind gusts of 50 to 55 mph. SOURCE. Radar indicated. IMPACT. Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include. Chicago, Elgin, Cicero, Arlington Heights, Evanston, Schaumburg, Palatine, Skokie, Des Plaines, Berwyn, Mount Prospect, Hoffman Estates, Oak Park, Glenview, Elmhurst, Buffalo Grove, Bartlett, Ohare Airport, Streamwood, Hanover Park, Wheeling, Park Ridge, Addison, Northbrook, and Elk Grove Village.

SMWLOT The National Weather Service in Chicago has issued a * Special Marine Warning for. Nearshore Waters from Winthrop Harbor to Calumet Harbor. Open Waters from Winthrop Harbor to Michigan City out to Mid Lake. * Until 200 AM CDT. * At 1155 PM CDT, strong thunderstorms were located along a line extending from 7 nm northwest of Elgin to 10 nm south of Midway Airport, moving northeast at 30 knots. HAZARD. Wind gusts to nearly 50 knots. SOURCE. Radar. IMPACT. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Strong thunderstorms will be near. Monroe Harbor, 31st Street Harbor, Burnham Harbor, DuSable Harbor, and Jackson Park Harbor around 1220 AM CDT. Montrose Harbor, Harrison-Dever Crib, Belmont Harbor, and Diversy Harbor around 1225 AM CDT. Wilmette Harbor around 1230 AM CDT. Waukegan Harbor around 1245 AM CDT. Winthrop Harbor around 1255 AM CDT.

SVRLOT The National Weather Service in Chicago has issued a * Severe Thunderstorm Warning for. North central Will County in northeastern Illinois. Eastern DuPage County in northeastern Illinois. Central Cook County in northeastern Illinois. * Until 1215 AM CDT. * At 1141 PM CDT, severe thunderstorms were located along a line extending from near Bolingbrook to near Mokena, moving north at 35 mph. HAZARD. 60 mph wind gusts. SOURCE. Radar indicated. IMPACT. Expect damage to roofs, siding, and trees. * Locations impacted include. Chicago, Naperville, Cicero, Bolingbrook, Orland Park, Berwyn, Downers Grove, Elmhurst, Lombard, Romeoville, Addison, Woodridge, South Lawndale, Burbank, Glen Ellyn, Melrose Park, Lockport, Homer Glen, Maywood, Brookfield, Palos Hills, Hinsdale, Westchester, Lemont, and La Grange.

At 1153 PM CDT, severe thunderstorms were located along a line extending from near Lombard to Willow Springs, moving northeast at 40 mph. HAZARD. 60 mph wind gusts. SOURCE. Radar indicated. IMPACT. Expect damage to roofs, siding, and trees. Locations impacted include. Chicago, Cicero, Berwyn, Downers Grove, Elmhurst, Lombard, Addison, Woodridge, South Lawndale, Burbank, Glen Ellyn, Melrose Park, Maywood, Brookfield, Palos Hills, Hinsdale, Westchester, Lemont, La Grange, Justice, Summit, Burr Ridge, Oak Brook, Westmont, and Lisle.