Tornado Watch issued for several Illinois counties

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A tornado watch has been issued for several Illinois counties until 11 p.m.

Counties included are Boone; Bureau; Carroll; De Kalb; Henderson; Henry; Jo Daviess; Knox; La Salle; Lee; Marshall; Mercer; Ogle; Putnam; Rock Island; Stark; Stephenson; Warren; Whiteside; Winnebago

Updates at Chicago Weather Center