8/27/2025 5:58:00 AM until 8/27/2025 8:00:00 AM

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Flooding is occurring or is imminent. It is important to know where you are relative to streams, rivers, or creeks which can become killers in heavy rains. Campers and hikers should avoid streams or creeks.

At 558 AM MDT, Doppler radar and automated rain gauges indicated 0.50 to 0.80 inches of rain fell across the area earlier, and flash flooding is likely ongoing. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar and automated gauges. IMPACT...Life threatening flash flooding of creeks and streams, normally dry washes, slot canyons, and slick rock areas. Some locations that will experience flash flooding include... Zion National Park, Springdale and Rockville. The heaviest rainfall occurred over the Pine Creek and Clear Creek drainages along Highway 9 near the Zion-Mount Carmel Tunnel. The Zion Canyon automated weather station has received 0.79 inches since 4 AM.