Chicago Weather December 21, 2021 12:23 pm Chicago Forecast: Cold Night Tonight The first night of winter will feature wind chills in the teens & single digits. NBC 5 Meteorologist Paul Deanno updates your forecast. Local 2:32 CHICAGO FORECAST: Strong, Severe Storms Possible This Evening, Tonight 2:22 CHICAGO FORECAST: Rain Moves In Tonight 2:25 CHICAGO'S FORECAST: Great Weekend Weather! 2:28 CHICAGO'S FORECAST: Sunshine Returns On Monday 2:23 CHICAGO'S FORECAST: Sunday Night Storms