June 22, 2016 9:35 pm Video Appears to Show Tornado in Mendota Video appears to show a tornado touching down in Mendota, Illinois. Local 2:28 CHICAGO'S FORECAST: Windy & Warm 2:24 Chicago Forecast: Great fall weekend before a big warm up 2:22 Chicago Forecast: 80° and sunny 2:05 CHICAGO'S FORECAST: Summer-Like Conditions Continue 2:18 Chicago Forecast: Bright and warm weekend for October