Forecast 21 hours ago NBC 5 FORECAST: Quite hot now, but cooler next week A late summer heatwave has a firm grip across North Texas. High temperatures will be well above normal through Saturday with highs in the upper 90s and an afternoon heat index around 100-105. Wake Up to Something Good 2:20 NBC 5 FORECAST: Hot weekend, but cooler next week 2:29 NBC 5 FORECAST: Late summer heatwave 2:25 NBC 5 FORECAST: Late summer heat wave 2:27 NBC 5 FORECAST: Late summer heat wave 2:31 NBC 5 FORECAST: Unseasonably warm this week