Chicago Weather August 31, 2021 6:04 pm Chicago Forecast: Lake Breeze Increases Temperatures will fall five degrees on Wednesday thanks to a stronger breeze from Lake Michigan. NBC 5 Meteorologist Paul Deanno reports. Local 2:32 CHICAGO FORECAST: Strong, Severe Storms Possible This Evening, Tonight 2:22 CHICAGO FORECAST: Rain Moves In Tonight 2:25 CHICAGO'S FORECAST: Great Weekend Weather! 2:28 CHICAGO'S FORECAST: Sunshine Returns On Monday 2:23 CHICAGO'S FORECAST: Sunday Night Storms