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Northern Illinois Multi-County Skywarn
Serves to warn residents of impending severe weather. Supports counties of Boone, Cook, DeKalb, DuPage, Grundy, Kane, Kankakee, Kendall, Will, LaSalle, Lake, Lee, McHenry, Ogle and Winnebago. Led by DuPage County Office of Emergency Management, College of
http://weather.cod.edu/skywarn/