Chicago Weather August 23, 2020 5:49 pm Sunday Night Forecast NBC 5 StormTeam Meteorologist Pete Sack has a look at your detailed Sunday night 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