Chicago weather: Severe Thunderstorm Watch in effect until 3 AM


May 20, 2013 6:29:25 PM PDT
A Severe Thunderstorm Watch for Chicago and the surrounding areas was issued by the National Weather Service. The Severe Thunderstorm Watch is in effect until 3:00 A.M Tuesday for the following counties: Boone, Bureau, Carroll, Cook, De Kalb, Dupage, Ford, Grundy, Henry, Iroquois, Jo Daviess, Kane, Kankakee, Kendall, Lake, La Salle, Lee, Livingston, McHenry, Ogle Putnam, Rock Island, Stephenson, Whiteside, Will and Winnebago.