Severe Flood ● Closed

Flood Watch issued September 16 at 6:30PM MST until September 17 at 5:00AM MST by NWS Flagstaff AZ, United States of America

Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.

* WHERE...Portions of east central, north central, northeast, and
west central Arizona, including the following areas, in east
central Arizona, Northern Gila County. In north central Arizona,
Black Mesa Area, Coconino Plateau, Eastern Mogollon Rim, Grand
Canyon Country, Kaibab Plateau, Little Colorado River Valley in
Coconino County, Marble and Glen Canyons, Northeast Plateaus and
Mesas Hwy 264 Northward, Northeast Plateaus and Mesas South of Hwy
264 and Western Mogollon Rim. In northeast Arizona, Chinle Valley,
Chuska Mountains and Defiance Plateau, Little Colorado River Valley
in Apache County, Little Colorado River Valley in Navajo County and
White Mountains. In west central Arizona, Oak Creek and Sycamore
Canyons, Yavapai County Mountains and Yavapai County Valleys and
Basins.

* WHEN...Until 5 AM MST /6 AM MDT/ Thursday.

* IMPACTS...Flash flooding will be possible in creeks, normally dry
washes, swimming holes, and over recently burned areas.

* ADDITIONAL DETAILS...
- A weather disturbance moving across Arizona will continue to
bring multiple rounds of showers and thunderstorms through
Wednesday night. Thunderstorms will have the potential to produce
heavy rainfall that could lead to flash flooding, especially in
areas that receive repeated rounds of rainfall.
- Additional information is available at weather.gov/flagstaff.

Measurements

Coordinates39.9645, -100.8105
RegionKaibab Plateau; Marble and Glen Canyons; Grand Canyon Country; Coconino Plateau; Yavapai County Mountains; Northeast Plateaus and Mesas Hwy 264 Northward;
Location Precisioncountry
Issuing AuthorityUnited States of America — us-noaa-nws-en
Cap UrgencyFuture
Cap CertaintyPossible
Cap Expires2026-09-17T05:00:00-07:00

Official source

Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.

This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.

Severity as published by WMO Alert Hub (national weather services).

View original report

Also reported by: WMO WMO

This event as JSON · API and licence

Source updated 32 days ago (Sep 17, 2026 01:31 UTC) · we last heard from WMO Alert Hub (national weather services) 57 seconds ago

On a slow connection? Low-bandwidth version — no map, no scripts, under 14 KB.

About this location

The agency did not publish coordinates for this warning. The pin is the centre of the country, not the location of the event — read the area name, not the map, for where it applies.

Area as the agency stated it: Kaibab Plateau; Marble and Glen Canyons; Grand Canyon Country; Coconino Plateau; Yavapai County Mountains; Northeast Plateaus and Mesas Hwy 264 Northward;

Official authorities in United States

If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.

More for United States →

What to do

Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.

Flood preparation, evacuation decisions, and the dangers of driving or walking through floodwater.

Open Flood Safety Guide →

Earlier flood events in United States

Severe and extreme events of the same kind, before this one. Listed for scale, not because they are connected to it.

Nearby & related events

Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.