# Extreme Heat Warning: Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Hualapai Mountains; Northwest Deserts; Death Valley National Park; Western Mojave Desert; Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin; Cadiz Basin; San Bernardino County-Upper Colorado River Valley; Northeast Clark County; Western Clark and Southern Nye County; Las Vegas Valley; Southern Clark County; 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/26a8f0dbb5cbe1de

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


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-08-24 07:24 ingested 2026-08-25 06:55

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

## extract

Extreme Heat Warning — Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Hualapai Mountains; Northwest Deserts; Death Valley National Park; Western Mojave Desert; Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin; Cadiz Basin; San Bernardino County-Upper Colorado River Valley; Northeast Clark County; Western Clark and Southern Nye County; Las Vegas Valley; Southern Clark County; Lake Mead - NV side; Lake Mohave - NV side
Severity: Severe. Certainty: Likely.
* WHAT...Dangerously hot conditions expected through the work week,
with temperatures up to 115 to 118 across Death Valley and the
Colorado River Valley; up to 108 to 112 across Moapa Valley, the
Las Vegas Valley, the Pahrump Valley, and the Morongo Valley; up to
90 to 95 in the Hualapai Mountains. Overnight lows will be in the
upper-80s to low-90s for desert valleys.

* WHERE...Portions of northwest Arizona, southeast California, and
southern Nevada.

* WHEN...Now through 8 PM PDT / MST Friday.

* IMPACTS...Heat-related illnesses increase significantly during
extreme heat and high humidity 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The historical document was shared with another weather alert and cannot be attributed to this record.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.