Forecast August 31, 2021 9:42 pm NBC 5 Forecast: Heat Advisory Wednesday A Heat Advisory will be in effect on Wednesday with high temperatures in the upper 90s and an afternoon heat index from 104 to 109. In addition, an Air Quality Alert is in effect for the DFW metro area. Wake Up to Something Good 2:34 NBC 5 Forecast: Storms and heavy rain possible Thursday 2:30 NBC 5 Forecast: Beautiful day ahead, but storms return later this week 2:57 NBC 5 Forecast: Drying out and warming up 2:32 NBC 5 Forecast: Drying out and warming up 2:31 NBC 5 Forecast: Flood threat diminishing