Severe Flood ● Closed
Flood Watch issued September 29 at 10:50PM MST until September 30 at 5:00AM MST by NWS Flagstaff AZ, United States of America
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 and long duration
rainfall.
* WHERE...Portions of north central and northeastern Arizona,
including areas from Flagstaff to St. John's and areas northward.
* WHEN...Until 5 AM MST /6 AM MDT/ Wednesday.
* IMPACTS...Flooding will be possible over burn areas, low-water
crossings, creeks, streams, washes and swimming holes. Some larger
creeks and rivers are expected to exceed bankfull. Flooding of
paved roads and highway underpasses will be possible. Unpaved roads
could become muddy and impassable.
* ADDITIONAL DETAILS...
- Low pressure will interact with tropical moisture to produce
numerous showers and embedded thunderstorms, with heavy rain that
will fall over saturated soils and burn scars. This could lead to
flash flooding and rises on streams and rivers.
- Additional information is available at weather.gov/flagstaff.
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | Kaibab Plateau; Marble and Glen Canyons; Grand Canyon Country; Coconino Plateau; Northeast Plateaus and Mesas Hwy 264 Northward; Chinle Valley; Chuska Moun |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en |
| Cap Urgency | Future |
| Cap Certainty | Possible |
| Cap Expires | 2026-09-30T05:00:00-07:00 |
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 reportThis event as JSON · API and licence
Source updated 19 days ago (Sep 30, 2026 05:51 UTC) · we last heard from WMO Alert Hub (national weather services) 4 seconds ago
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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; Northeast Plateaus and Mesas Hwy 264 Northward; Chinle Valley; Chuska Moun
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.