Chicago Weather January 21, 2020 12:30 pm Tuesday Forecast Pete Sack has the latest forecast update for the Chicago area. Local 2:21 Chicago Forecast: Brief break from the heat today 2:28 CHICAGO'S FORECAST: Sunny Sunday, But a Little Cooler 2:20 Chicago Forecast: Warmest day of the year so far 1:43 NBC 5 Storm Team forecast: 80-degree temperatures on tap 2:18 Chicago Forecast: Heating up this weekend