9/4/2025 10:51:00 PM until 9/5/2025 12:30:00 AM

Be especially cautious at night when it is harder to recognize the dangers of flooding. Stay away or be swept away! The banks of creeks and washes are unstable and unsafe during any flooding event. Low water crossings will become dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route.

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Havasu Creek including Supai. * WHEN...Until 1230 AM MST. * IMPACTS...Minor flooding in creeks and normally dry washes is imminent or occurring. Dangerous flooding over low-water crossings. * ADDITIONAL DETAILS... - At 1049 PM MST, local law enforcement reported minor flooding in the advisory area including Supai. Between 0.5 and 0.75 inches of rain fell earlier this evening. - This includes the following creeks, washes and rivers... Pasture Wash, Havasu Creek and Little Coyote Canyon. - Some locations that will experience flooding include... Grand Canyon National Park, Little Navajo Falls, Mooney Falls, Beaver Falls, Havasupai Reservation and Supai. - This includes the Colorado River between river miles 157 and 158. This includes the following swimming holes... All swimming holes on Havasu Creek near Supai. - Additional information is available at weather.gov/flagstaff.