Flash Flood Warning issued September 28 at 6:44PM MDT until September 28 at 9:00PM MDT by NWS Salt Lake City UT

At 644 PM MDT, Zion National Park Dispatch confirmed that flash flooding is occurring in Heaps Canyon, as well as several other drainages within the park. Between 0.25 and 0.75 inches of rain have fallen, and additional light to moderate rain is expected to persist through this evening. Flash flooding is already occurring. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Zion National Park Dispatch IMPACT...Life threatening flash flooding of slot canyons, normally dry washes, creeks and streams. Some locations that will experience flash flooding include... Zion National Park and Springdale.…