Chicago Weather July 27, 2021 7:59 am Chicago's Forecast: Hot And A Bit More Humid Hot temps, hazy sun, ozone and smoke combine for poor air quality. Local 1:53 Monday night forecast 2:44 Monday morning weather 2:22 CHICAGO'S FORECAST: Rainy Monday Commute 2:10 Chicago Forecast: More storms in the forecast 2:22 CHICAGO'S FORECAST: Storms throughout Sunday