# Extreme Heat Warning: Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Northwest Deserts; Death Valley National Park; Cadiz Basin; San Bernardino County-Upper Colorado River Valley; Northeast Clark County; Western Clark and Southern Nye County; 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/77e9e30e6c9dfc3a

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


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-09-09 04:24 ingested 2026-09-09 12:01

[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; Cadiz Basin; San Bernardino County-Upper Colorado River Valley; Northeast Clark County; Western Clark and Southern Nye County; Las Vegas Valley; Lake Mead - NV side; Lake Mohave - NV side
Severity: Severe. Certainty: Likely.
* WHAT...Dangerously hot late-season conditions expected with high
temperatures up to 112 to 116 in Death Valley and the Colorado
River Valley; up to 105 to 110 in the Las Vegas Valley, Moapa
Valley, and Pahrump Valley.

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

* WHEN...From 10 AM PDT /10 AM MST/ to 8 PM PDT /8 PM MST/ Thursday.

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

## 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The historical document was shared with another weather alert and cannot be attributed to this record.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.