Flash flood · Arizona

Flash Flood Warning for Moenkopi and Coconino County, AZ

The National Weather Service in Flagstaff issued a Flash Flood Warning for Moenkopi Wash in Coconino County, Arizona, until 1:00 AM MST. Flash flooding is already occurring, and the Moenkopi Wash near Tuba City is forecast to crest at 29.45 feet.

Key facts

Alert
Flash Flood Warning (severe)
Issued by
National Weather Service, Flagstaff AZ
Areas
Coconino, AZ
Places
Moenkopi
In effect
until 4:00 AM MST, Nov 2, 2026
Damage threat
Considerable
The red outline is the area the National Weather Service put under the flash flood warning. Source: NWS alert polygon. Not to scale with roads.
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What the National Weather Service says

“Flash flooding is already occurring.”

NWS Flagstaff AZ, Flash Flood Warning, 12:37 AM MST Nov 2, 2026 · official alert

“Stay away or be swept away! The banks of creeks and washes are unstable and unsafe during any flooding event.”

NWS Flagstaff AZ, Flash Flood Warning, 12:37 AM MST Nov 2, 2026 · official alert

“Do not attempt to cross flooded roads. Find an alternate route.”

NWS Flagstaff AZ, Flash Flood Warning, 12:37 AM MST Nov 2, 2026 · official alert

What to do

Stay away from Moenkopi Wash and other creeks and washes in the warned area. The National Weather Service says the banks are unstable and unsafe during any flooding event.

Do not drive into flooded roads. Dirt roads may become muddy and impassable, and paved roads and underpasses could flood. Find an alternate route.

The National Weather Service advises moving to higher ground. Just 6 inches of moving water can knock you down, and 1 foot of moving water can sweep a vehicle away. Never drive around barricades.

Context

The warning also covers Fivemile Wash, Hamblin Wash and Begashibito Wash. The National Weather Service says water begins to encroach on homes in lower Moenkopi Village and floods crop fields along the river at 27.0 feet. The gauge read 26.0 feet at 4:45 PM MST, and flood stage is 27.0 feet.

FEMA records show 300 flood-insurance claims in Coconino County from 1978 to 2026. That count covers only insured properties, so it understates total flood losses. The county has had federal disaster declarations for flooding, including one in September 2021 for severe storms and flooding.

Updates

  1. The National Weather Service extended the flash flood warning until 4:00 AM MST.
  2. NWS Flagstaff AZ issued the flash flood warning until 1:00 AM MST.

History here

Coconino County: 300 flood insurance claims in FEMA's National Flood Insurance Program records since 1978, most recent 2026.

Coconino County: recent federal disaster declarations

  • DR-4620 (2021): severe storms and flooding
  • DR-1940 (2010): severe storms and flooding
  • DR-1888 (2010): severe winter storms and flooding
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Questions

Is there a flash flood warning in Moenkopi, Arizona?
Yes. The National Weather Service in Flagstaff issued a Flash Flood Warning for Moenkopi Wash in Coconino County at 4:58 PM MST on Sunday, November 1, 2026. It runs until 1:00 AM MST.
How high is Moenkopi Wash expected to get?
At 4:45 PM MST the stage near Tuba City was 26.0 feet, below the 27.0 foot flood stage. The National Weather Service expects a crest of 29.45 feet at 5:00 AM MST Monday.
Is the flooding happening now?
Yes. The National Weather Service says a gauge reported a rise from heavy rain and that flash flooding is already occurring. It describes the flooding as life threatening.

Sources

  1. NWS Flagstaff AZ: Flash Flood Warning, Nov 2, 2026 weather.gov
  2. FEMA OpenFEMA: NFIP claims and disaster declarations fema.gov

How this page is made. The Herebeat Hazard Desk builds event pages from official U.S. government data (National Weather Service, USGS, FEMA). The text is written with AI from that data; every number and quote is checked against the official source automatically before publishing, and the page is updated when the agency updates the event. The official source is always the reference. Spotted a mistake? info@herebeat.app. About the Hazard Desk.