Severe · Flash Flood WarningActive alert
Flash Flood Warning issued September 13 at 10:52PM MST until September 14
Affecting Coconino, AZ
In effect until: Sep 14, 2026, 12:00 PM
Coconino, AZ
Likely impact in Coconino, AZ; effects through 12:00 PM.
Campers and hikers should hustle to higher ground immediately! Stay away from creeks and washes! Foot bridges will be washed out in Supai Campground. Some campsites will be flooded. Campers may be stranded in portions of the campground.
Read the original bulletin (official text)
FFWFGZ The National Weather Service in Flagstaff has extended the * Flash Flood Warning for... The Havasu Creek basin in... Coconino County in north central Arizona... * Until 500 AM MST Monday. * At 1052 PM MST, Heavy rain has ended. Earlier between 0.5 and 1.5 inches of rain have fallen. Flash flooding is ongoing. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding in and around the Havasu Creek basin. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of areas in and around the Havasu Creek basin. * Some locations that will experience flash flooding include... Little Navajo Falls, Mooney Falls, Beaver Falls, Hualapai Hilltop, Havasupai Reservation and Supai. This includes the Colorado River between river miles 156 and 158. This includes the following swimming holes... All swimming holes on Havasu Creek near Supai. This includes the following creeks, washes and rivers... Colorado River, Sinyella Canyon, Heather Wash, Pasture Wash, Little Coyote Canyon, Havasu Creek and Black Tank Wash.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™