Flash Flood Warning Flash Flood Warning issued August 5 at 11:40PM MST until August 6 at 2:45AM MST by NWS Tucson AZ Effective 11:40 PM MST, Wed Aug 5 through 2:45 AM MST, Thu Aug 6 Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. https://www.weather.gov/twc/ #Flood #FlashFloodWarning