weather forecast September 30, 2020 5:06 pm Frost Possible Friday & Saturday Joey Miller Local 2:20 Chicago Forecast: Cooler end to the weekend 2:18 Latest forecast from the NBC 5 Storm Team 2:18 Chicago Forecast: Evening storms to end a summer-like day 1:50 CHICAGO FORECAST: Dry conditions overnight ahead of possible storms Saturday afternoon 3:15 Friday morning weather