# 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; 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/d52a204329c70382

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


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-08-01 11:28 ingested 2026-08-02 08:30

[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; 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...Hot daytime conditions with high temperatures between 95 and
105 common, except localized 105 to 110 in the hottest locations.
Warm overnight conditions will bring less relief than usual.

* WHERE...Most valleys and mountains of Los Angeles, Ventura, Santa
Barbara, and San Luis Obispo Counties.

* WHEN...Until 8 PM PDT Sunday.

* IMPACTS...There is a high risk for dangerous heat illness,
especially for sensitive groups like the very young, the very old,
those without air conditioning, and those active outdoors.

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The historical document was shared with another weather alert and cannot be attributed to this record.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