bank of america chicago marathon October 6, 2023 8:17 am Chicago Forecast: Afternoon showers; chilly marathon weekend Cooler weather takes over this weekend with highs in the 50s Local 3:01 Tuesday morning weather 2:00 Here's how to prepare your car for the cold 2:21 Chicago weather forecast: Cold weather advisory issued 2:53 Monday morning weather 2:25 Chicago weather forecast: Cold weather advisory going into effect