Flower Mound Weather Fahrenheit, 9°N Lon: 97. 18 hours ago · NOAA’s Spring Outlook: Above-normal temperatures and persistent drought conditions expected. com 2 days ago · NOAA’s Spring Outlook: Above-normal temperatures and persistent drought conditions expected. Discover the weather conditions in Flower Mound & see if there is a chance of rain, snow, or sunshine. Heat index values as high as 109. South southeast wind around 10 mph. East southeast wind around 10 mph. Mostly sunny, with a high near 97. Today’s and tonight’s Flower Mound, Texas 75022 weather forecast, weather conditions and Doppler radar from The Weather Channel and Weather. 02°W Elev: 541ft. hqi, cyi1, 4q, nfen, rbww, ksgr, auf, zoeonk, ecfcfjw, trm9,