July 22, 2019 2:05 pm What a Red Flag Means for Swimmers at Chicago Beaches If you’re swimming on a Chicago beach and see a red flag, this is what you need to know. Local 2:25 Chicago's Forecast: Thursday Gets Off to a Foggy Start 2:27 Chicago's Forecast: Wintry Mix into Monday Morning 2:24 CHICAGO FORECAST: Not As Cold Sunday 2:00 Chicago Forecast: Cold weekend before a warm week ahead 2:21 CHICAGO FORECAST: Lake Effect Snow For Some