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.

At 131 AM CDT, Doppler radar was tracking a strong thunderstorm 7 miles east of Lakewood Shores, or 8 miles east of Wilmington, moving northeast at 25 mph. HAZARD. Wind gusts up to 50 mph. SOURCE. Radar indicated. IMPACT. Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include. New Lenox, Mokena, Frankfort, Manteno, Peotone, University Park, Manhattan, Monee, Wilton Center, and Symerton.

SMWMKX The National Weather Service in Milwaukee/Sullivan has issued a * Special Marine Warning for. Nearshore waters from North Point Light WI to Winthrop Harbor IL. Lake Michigan from North Point Light WI to Wind Point WI 5 nm off shore to mid lake. * Until 200 AM CDT. * At 1255 AM CDT, strong thunderstorms were located along a line extending from 24 nm west of Milwaukee to near Racine to 14 nm east of Waukegan Harbor, moving north at 40 knots. HAZARD. Wind gusts to 40 knots. SOURCE. Radar. IMPACT. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Strong thunderstorms will remain over mainly open waters.

For the following areas. Nearshore Waters from Winthrop Harbor to Northerly Island. Open Waters from Winthrop Harbor to Michigan City out to Mid Lake. At 1234 AM CDT, strong thunderstorms were located along a line extending from 7 nm south of Waukegan Harbor to near Monroe Harbor, moving northeast at 30 knots. HAZARD. Wind gusts to 40 knots. SOURCE. Mesonet. IMPACT. Small craft could be damaged in briefly higher winds and suddenly higher waves. strong thunderstorms will be near. Montrose Harbor, Harrison-Dever Crib, Waukegan Harbor, Wilmette Harbor, DuSable Harbor, Belmont Harbor, and Diversy Harbor around 1240 AM CDT.

* WHAT. Flooding caused by excessive rainfall is expected. * WHERE. Portions of central, north central, and northeast Illinois, including the following counties, in central Illinois, Livingston. In north central Illinois, De Kalb and La Salle. In northeast Illinois, Cook, DuPage, Grundy, Kane, Kankakee, Kendall and Will. * WHEN. Until 500 AM CDT. * IMPACTS. Flooding may occur in poor drainage and urban areas. Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS. - At 100 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. Up to 2 inches of rain has already fallen in portions of the area. - Additional rainfall amounts up to 2 inches are expected over portions of the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include. Chicago, Aurora, Joliet, Naperville, Elgin, Cicero, Hammond, Arlington Heights, Evanston, Schaumburg, Bolingbrook, Palatine, Skokie, Des Plaines, Orland Park, Tinley Park, Oak Lawn, Berwyn, Mount Prospect and Wheaton. - http://www.weather.gov/safety/flood