Air Quality August 24, 2024 7:20 am Chicago Forecast: Heat and humidity building Hot days ahead with a slight chance of storms today and Sunday morning Local 3:22 Friday morning weather 1:58 CHICAGO FORECAST: Another warm day ahead Friday with overnight rain possible 2:29 Thursday forecast 2:20 Chicagohenge: Here's what to know about the automnal equinox 3:18 Thursday morning weather