Chicago Weather 17 hours ago Friday night forecast NBC 5 Storm Team Meteorologist Pete Sack has the latest forecast for Friday night and beyond. Local 2:18 Chicago Forecast: Bright and warm weekend for October 1:25 Friday morning weather 2:19 CHICAGO'S FORECAST: The Warm-up Begins! 2:51 Thursday morning weather 2:15 CHICAGO FORECAST: Freeze warning in effect for parts of area ahead of warmer temperatures