Chicago Weather September 27, 2023 7:38 pm Wednesday evening forecast: Cloudy, seasonal temperatures overnight Here is the NBC 5 Wednesday evening forecast for Sept. 27, 2023. Local 2:00 CHICAGO FORECAST: More frigid temperatures ahead Wednesday 2:42 Tuesday morning weather 2:13 Monday afternoon forecast: Lake-effect snow possible 1:38 Dire travel conditions for millions as heavy snow, ice blast dozens of states 2:57 Monday morning weather