Severe Flood ● Closed

Flood Watch issued October 10 at 3:38AM PDT until October 12 at 5:00AM PDT by NWS Las Vegas NV, 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 northwest Arizona, including the following
areas, Hualapai Mountains, Lake Havasu and Fort Mohave, Lake Mead -
AZ side, Lake Mohave - AZ side, Northwest Deserts and Northwest
Plateau, southeast California, including the following areas, Cadiz
Basin, Eastern Mojave Desert, Morongo Basin and San Bernardino
County-Upper Colorado River Valley, and Nevada, including the
following areas, Lake Mead - NV side, Lake Mohave - NV side, Las
Vegas Valley, Lincoln County, Northeast Clark County, Sheep Range,
Southern Clark County, Spring Mountains-Red Rock Canyon and Western
Clark and Southern Nye County.

* WHEN...From 11 AM PDT /11 AM MST/ this morning through late Sunday
night.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.

* ADDITIONAL DETAILS...
- Incoming tropical moisture will lead to widespread shower and
thunderstorm activity, some of which may cause flash flooding.
- http://www.weather.gov/safety/flood

Measurements

Coordinates39.9645, -100.8105
RegionNorthwest Plateau; Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Hualapai Mountains; Northwest Deserts; Eastern Mojave Desert, I
Location Precisioncountry
Issuing AuthorityUnited States of America — us-noaa-nws-en
Cap UrgencyFuture
Cap CertaintyPossible
Cap Expires2026-10-10T11:00:00-07:00

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

This event as JSON · API and licence

Source updated 9 days ago (Oct 10, 2026 10:39 UTC) · we last heard from WMO Alert Hub (national weather services) 30 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: Northwest Plateau; Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Hualapai Mountains; Northwest Deserts; Eastern Mojave Desert, I

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.

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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.