Flash Flood Warning Issued for Coconino County in Arizona

2026-08-21 | 05:17

Flash Flood Warning was issued by the National Weather Service for Coconino County in Arizona.

Flash Flood Warning

The alert was issued at 8:08 PM local time and is scheduled to remain in effect until 11:15 PM local time. The NWS lists the alert severity as severe. Its urgency is listed as immediate. The event is classified as likely.

Storm Details

/908 PM MDT/, Doppler radar indicated thunderstorms producing heavy rain over the Antelope Creek basin. Between 0.5 and 0.75 inches of rain have fallen. Additional rainfall amounts of 0.25 to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly

Hazards

Life threatening flash flooding. Thunderstorms producing flash flooding in and around the Antelope Creek basin

Potential Impact

Life threatening flash flooding of areas in and around the Antelope Creek basin. Some locations that will experience flash flooding include. LeChee and Antelope Canyon. This includes the following slot canyons. Upper Antelope Canyon, Lower Antelope Canyon, Canyon X, Cardiac Canyon, Owl Canyon, Rattlesnake Canyon, Mountain Sheep Canyon, Ramshead Canyon, Wind Pebble Canyon and Porcupine Canyon. This includes the following creeks, washes and rivers. Water Holes Canyon and Antelope Creek