# Extreme Heat Warning: Cuyama Valley; Santa Clarita Valley; Southern Salinas Valley; San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains; Ventura County Inland Coast; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Los Angeles County Inland Coast including Downtown Los Angeles; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Santa Susana Mountains; Southern Ventura County Mountains; Los Angeles County San Gabriel Valley — retained record

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

Canonical: https://highsignal.app/data/records/05624094cb5d1d68

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


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-07-29 13:17 ingested 2026-07-30 08:24

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

## extract

Extreme Heat Warning — Cuyama Valley; Santa Clarita Valley; Southern Salinas Valley; San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains; Ventura County Inland Coast; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Los Angeles County Inland Coast including Downtown Los Angeles; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Santa Susana Mountains; Southern Ventura County Mountains; Los Angeles County San Gabriel Valley
Severity: Severe. Certainty: Likely.
* WHAT...Dangerously hot conditions with temperatures of 95 to 110
expected.

* WHERE...A large portion of southwest California including the
coastal ranges and adjacent foothills, as well as the coastal
valleys.

* WHEN...From 10 AM Friday to 8 PM PDT Sunday.

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

* ADDITIONAL DETAILS...Heat hazards may extend into next week for
portions of the region.

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The historical document was shared with another weather alert and cannot be attributed to this record.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