Alert USA
weather NWS severe Coconino, AZ October 21, 2026 at 11:31 PM

Flash Flood Warning

FFWFGZ

The National Weather Service in Flagstaff has extended the

* Flash Flood Warning for... The Moenkopi Wash in... Coconino County in north central Arizona...

* Until 1000 PM MST /1100 PM MDT/.

* At 431 PM MST /531 PM MDT/, a river gauge on the Moenkopi Wash remains in Major Flood Stage. Up to 1 inch of rain has fallen. Additional rainfall amounts of 0.5 to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding in and around the Moenkopi Wash.

SOURCE...River gauge reported.

IMPACT...Life threatening flash flooding of areas in and around the Moenkopi Wash.

* For Moenkopi Wash at Moenkopi Wash Near Tuba City: At 1:45pm MST /2:45pm MDT/ the stage was 31.82 feet. Flood Stage is 27.0 feet. Forecast: A crest of 30.97 feet is expected at 3:00pm MST /4:00pm MDT/ Wednesday. Impacts: At 27.0 feet: At 27.0 feet water begins to encroach on homes in lower Moenkopi Village and floods crop fields along the river.

Some locations that will experience flash flooding include... Tuba City and Moenkopi.

This includes the following highways... Highway 160 between mile markers 318 and 321. U.S. Highway 89 between mile markers 476 and 478. State Route 264 between mile markers 323 and 324.

This includes the following creeks, washes and rivers... Moenkopi Wash, Little Colorado River, Hamblin Wash, Begashibito Wash and Fivemile Wash.

Flooding in Coconino, AZ can cut off roads with little warning, damage homes near low-lying areas, and disrupt power and water service. Even a few inches of moving water can carry away a vehicle.

This report is based on information from NWS, monitored by Alert USA's verified emergency feed.

Alert USA anticipates a high chance of travel disruptions, elevated property risk in low-lying areas, and possible power outages while the event is active.

Recommended steps: avoid flooded roads — turn around, don't drown; move to higher ground if you are in a low-lying area; charge phones and prepare for power loss; check on family and neighbors.

Alert USA is tracking this flood event and will update this report as verified information becomes available.

Verified by Alert USA • NWS

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