# Extreme Heat Warning: Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Northwest Deserts; Death Valley National Park; San Bernardino County-Upper Colorado River Valley; Las Vegas Valley; Lake Mead - NV side; Lake Mohave - NV side — retained record

> Retained us-gov-api record from us-gov-api:noaa-weather.

Canonical: https://highsignal.app/data/records/b54b1727151b947a

[← sources](https://highsignal.app/data)


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-08-22 15:31 ingested 2026-08-23 06:38

[original source ↗](http://www.weather.gov/)

## extract

Extreme Heat Warning — Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Northwest Deserts; Death Valley National Park; San Bernardino County-Upper Colorado River Valley; Las Vegas Valley; Lake Mead - NV side; Lake Mohave - NV side
Severity: Severe. Certainty: Likely.
* WHAT...Dangerously hot conditions with temperatures up to 115 to
118 degrees expected through Death Valley and the lower Colorado
River Valley, with highs between 107 to 110 degrees elsewhere. Near
record warm low temperatures expected in urban areas.

* WHERE...Lake Mohave, Lake Mead, Lower Colorado River Valley / Lake
Havasu, Northwest Deserts, Death Valley National Park, and Las
Vegas Valley.

* WHEN...Until 8 PM PDT /8 PM MST/ Sunday.

* IMPACTS...Heat-related illnesses increase significantly during
extreme heat events.

## retained text

The historical document was shared with another weather alert and cannot be attributed to this record. The original extract is preserved above; the exact alert link was not retained.