Alert USA
weather NWS severe Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; San Bernardino County-Upper Colorado River Valley; Lake Mead - NV side; Lake Mohave - NV side October 31, 2026 at 4:45 PM

Flood Watch

* WHAT...Flash flooding caused by excessive rainfall will be possible.

* WHERE...Portions of northwest Arizona, including the following areas, Lake Havasu and Fort Mohave, Lake Mead - AZ side and Lake Mohave - AZ side, southeast California, including the following area, San Bernardino County-Upper Colorado River Valley, and southern Nevada, including the following areas, Lake Mead - NV side and Lake Mohave - NV side.

* WHEN...From this evening 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... - Moderate to heavy rain is possible at times tonight through Sunday night. Between a half an inch and an inch of rain will be possible. With saturated soils and significant run off expected, flash flooding may occur. - http://www.weather.gov/safety/flood

Flooding in Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; San Bernardino County-Upper Colorado River Valley; Lake Mead - NV side; Lake Mohave - NV side 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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