Weather Alerts For Grand Canyon, AZ

A Weather Alert has been issued for a nearby area. While your current location is outside of the impacted area, please stay alert and monitor weather conditions. # SUMMARY -------------------- The National Weather Service in Flagstaff has issued a - Flash Flood Warning for... The Havasu Creek basin in... Coconino County in north central Arizona... - Until 900 AM MST Tuesday. - At 205 AM MST, a river gauge on Cataract Creek reported a rapid rise of 5.38 feet as a result of heavy rain far upstream. A flood wave is traveling through Cataract/Havasu Creek. Estimated time for impacts to begin at Supai is between 9 AM to noon MST, though this may change. Stay tuned to future updates for refinements on this estimate. # DETAILS -------------------- HAZARD Life threatening flash flooding. Heavy rain producing flash flooding in and around the Havasu Creek basin. SOURCE River gauge reported. IMPACT - Life threatening flash flooding of areas in and around the Havasu Creek basin. - For Cataract Creek at Cataract Creek Below Heather Wash: At 1:30am the stage was 4.46 feet. Flood Stage is 7.5 feet. Impacts: At 7.5 feet: 450 cfs flow. May cause minor flooding downstream in Supai campground 4 to 7 hours later. At 10.0 feet: 1520 cfs flow. May cause moderate flooding downstream in Suapi village 4 to 7 hours later. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE - Supai, Havasupai Reservation, Little Navajo Falls, Mooney Falls and Beaver Falls. - This includes the Colorado River between river miles 156 and 158. THIS INCLUDES THE FOLLOWING RECREATION AREAS AND CAMPGROUNDS Very Last Chance Camp Site. THIS INCLUDES THE FOLLOWING SWIMMING HOLES All swimming holes on Havasu Creek near Supai. THIS INCLUDES THE FOLLOWING CREEKS, WASHES AND RIVERS Heather Wash, Sinyella Canyon, Little Coyote Canyon, Pasture Wash, Havasu Creek, Black Tank Wash, Colorado River and Coconino Wash. ISSUED AT Tuesday, November 3, 2026 at 2:05 AM MST ISSUED BY National Weather Service Flagstaff AZ HEADER BULLETIN - EAS ACTIVATION REQUESTED | Flash Flood Warning # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- 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.