# Heat Advisory: Cuyama Valley; Santa Clarita Valley; Southern Salinas Valley; San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Barbara County Interior Mountains; Western San Fernando Valley; Eastern San Fernando Valley; Santa Susana Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel 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/f9926ba923b10b03

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


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-07-05 09:40 ingested 2026-07-06 10:15

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

## extract

Heat Advisory — Cuyama Valley; Santa Clarita Valley; Southern Salinas Valley; San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Barbara County Interior Mountains; Western San Fernando Valley; Eastern San Fernando Valley; Santa Susana Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley
Severity: Moderate. Certainty: Likely.
* WHAT...Temperatures from 90 to around 100 expected...except up to
103 across the warmest mountains and interior valleys of San Luis
Obispo county.

* WHERE...Interior mountains of Los Angeles, Ventura, Santa Barbara,
and San Luis Obispo counties as well as the San Fernando, San
Gabriel, Santa Clarita, Cuyama and San Luis Obispo interior
valleys.

* WHEN...From 10 AM Tuesday to 8 PM PDT Thursday.

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

* ADDITIONAL DETAILS...The warmest temperatures with this event are
expected to occur  Wednesday and Thursday afternoons, with
additional locations potentially being needed to be added to this
advisory with time. Temperatures are expected to cool slightly
after Thursday in some locations, but will remainabove normal into
the following week.

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The historical document was shared with another weather alert and cannot be attributed to this record.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