Chicago Weather August 19, 2020 12:15 pm Chicago Forecast: Gorgeous Wednesday The Chicago area’s lovely, seasonably warm weather continues on Wednesday. How long will it last? NBC 5 meteorologist Pete Sack has your forecast. Local 2:08 Monday evening forecast: Severe weather threat looms 2:34 Forecast: Sunny Monday, but storm threat looms in coming days 2:33 Monday morning weather 2:23 CHICAGO'S FORECAST: Chances for Rain Fill the Work Week 2:20 Chicago Forecast: Cooler end to the weekend