Chicago Forecast December 15, 2019 5:46 pm Sunday Evening Forecast NBC 5’s Pete Sack has the latest weekend weather forecast. Local 2:22 CHICAGO'S FORECAST: Rainy Monday Commute 2:10 Chicago Forecast: More storms in the forecast 2:22 CHICAGO'S FORECAST: Storms throughout Sunday 2:29 Chicago Forecast: Warm & windy Saturday; strong evening storms 2:13 Latest forecast from the NBC 5 Storm Team