Chicago Weather March 30, 2021 12:31 pm Chicago Forecast: A Quick Cold Snap Temperatures will drop 20-25 degrees Wednesday on the other side of a strong cold front. NBC 5 Meteorologist Paul Deanno has the forecast details. Local 2:24 CHICAGO FORECAST: Below Normal Temperatures to Start The Week 2:21 Chicago forecast: Warm, sunny day in store 2:17 CHICAGO FORECAST: Pleasant Weather Continues 1:32 Thursday night forecast 2:27 Chicago forecast: Rain on tap for Tuesday