Chicago Weather 7 hours ago Tuesday morning weather Pete Sack has the latest forecast. Local 2:22 Chicago Forecast: 80° and sunny 2:05 CHICAGO'S FORECAST: Summer-Like Conditions Continue 2:18 Chicago Forecast: Bright and warm weekend for October 2:19 CHICAGO'S FORECAST: The Warm-up Begins! 2:31 CHICAGO FORECAST: Lake-Effect Rain Showers Develop Overnight