North Texas October 20, 2021 6:14 am Why Do Leaves Change Colors in the Fall? North Texas is beginning to get its first shades of fall colors around this time of year. NBC 5 Meteorologist Grant Johnston explains the science behind the beautiful change. Wake Up to Something Good 2:28 NBC 5 Forecast: Drying out and warming up 2:57 NBC 5 Forecast: Drying out and warming up 0:36 Weather Quiz: Lightning Bolt 2:32 NBC 5 Forecast: Drying out and warming up 2:27 NBC 5 Forecast: A few afternoon storms. Flood risk to the southeast.