July 27, 2015 6:05 pm Heat Wave Ahead NBC Chicago’s Brant Miller gives us a look at the weather forecast for the week ahead and Lollapalooza weekend. Local 2:44 Monday morning weather 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