# Extreme Heat Watch: Santa Clarita Valley; Los Angeles County Inland Coast including Downtown Los Angeles; Western San Fernando Valley; Eastern San Fernando Valley; Santa Susana 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/eb9dfe50b09bdb60

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


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-07-11 12:11 ingested 2026-07-12 08:18

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

## extract

Extreme Heat Watch — Santa Clarita Valley; Los Angeles County Inland Coast including Downtown Los Angeles; Western San Fernando Valley; Eastern San Fernando Valley; Santa Susana Mountains; Los Angeles County San Gabriel Valley
Severity: Severe. Certainty: Likely.
* WHAT...For the Heat Advisory starting Sunday, temperatures of 85
to 98 expected. For the Extreme Heat Watch, dangerously hot
conditions with temperatures of 90 to 108 possible. Warmest
temperatures expected in the valleys.

* WHERE...Eastern San Fernando Valley, Los Angeles County Inland
Coast including Downtown Los Angeles, Los Angeles County San
Gabriel Valley, Santa Clarita Valley, Santa Susana Mountains, and
Western San Fernando Valley.

* WHEN...For the Heat Advisory, from 10 AM Sunday to 10 AM PDT
Tuesday. For the Extreme Heat Watch, from Tuesday morning through
Thursday evening.

* IMPACTS...There is a high risk for dangerous heat illness for
anyone, especially for the very young, the very old, those without
air conditioning, and those active outdoors. 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...Monsoonal moisture will add to the discomfort
level from the heat starting on Sunday. continuing through the
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The historical document was shared with another weather alert and cannot be attributed to this record.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.