# Extreme Heat Watch: Parker Valley; Yuma; Imperial County Southwest; Salton Sea; Chuckwalla Mountains; Imperial County Southeast; Imperial County West; Imperial Valley; Chiriaco Summit; Palo Verde Valley; Chuckwalla Valley — retained record

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

Canonical: https://highsignal.app/data/records/49fbc9d2a6e5f27c

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


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-07-20 11:54 ingested 2026-07-21 08:28

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

## extract

Extreme Heat Watch — Parker Valley; Yuma; Imperial County Southwest; Salton Sea; Chuckwalla Mountains; Imperial County Southeast; Imperial County West; Imperial Valley; Chiriaco Summit; Palo Verde Valley; Chuckwalla Valley
Severity: Severe. Certainty: Likely.
* WHAT...Dangerously hot conditions possible. Afternoon temperatures
104 to 113. Major Heat Risk. Overexposure can cause heat cramps and
heat exhaustion to develop and, without intervention, can lead to
heat stroke.

* WHERE...Portions of southwest Arizona and southeast and southern
California.

* WHEN...From Wednesday morning through Monday evening.

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The historical document was shared with another weather alert and cannot be attributed to this record.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