.A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 AM CDT FOR DE KALB...KANE...DUPAGE AND COOK COUNTIES... At 233 AM CDT, severe thunderstorms were located along a line extending from Lake Bluff to near Hampshire to near Kirkland, moving southeast at 50 mph. HAZARD...70 mph wind gusts. SOURCE...Emergency management. Multiple reports of wind damage in McHenry and Lake counties with this line of storms. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Chicago, Aurora, Naperville, Elgin, Cicero, Arlington Heights, Evanston, Schaumburg, Bolingbrook, Palatine, Skokie, Des Plaines, Oak Lawn, Berwyn, Mount Prospect, Wheaton, Hoffman Estates, Oak Park, Downers Grove and Glenview.