SEVERE THUNDERSTORM WATCH: Severe storms are possible in the following counties: Cook, DuPage, Lake, Will, Kane, McHenry, Winnebago, Rock Island, Linn, Scott, La Salle, Kendall, Kankakee, De Kalb, Johnson, Dubuque, Ogle, Whiteside, Grundy, Henry, Boone, McDonough, Stephenson, Bureau, Clinton, Lee, Muscatine, Des Moines, Lee, Jo Daviess, Mercer, Hancock, Jones, Benton, Warren, Carroll, Henry, Washington, Jackson, Buchanan, Cedar, Jefferson, Delaware, Iowa, Henderson, Louisa, Putnam, Keokuk, Van B
