August 19, 2017 7:30 am NBC 5 Forecast: Hot & Humid, Isolated Storms Another hot and humid day in store for North Texas. Highs will be in the upper 90s and heat index values near 105°. Wake Up to Something Good 2:33 NBC 5 Forecast: Arctic front brings coldest air of the season to North Texas 2:31 NBC 5 Forecast: Arctic cold front arrives, bringing frigid temps this weekend 2:32 NBC 5 Forecast: Arctic front arrives; Falling temperatures this weekend 2:32 NBC 5 Forecast: Mild ahead of another round of Arctic air this weekend 2:35 Preparing your home for freezing temperatures ahead of Arctic blast