Chicago Weather December 18, 2019 8:49 am Chicago Weather Forecast: Coldest Day of the Week NBC Storm Team 5 meteorologist Alicia Roman has your latest forecast update. Local 2:16 Wednesday afternoon forecast 1:51 CHICAGO FORECAST: Gusty winds overnight ahead of another warm, windy day 2:44 Tuesday morning weather 1:53 Monday night forecast 2:44 Monday morning weather