# Extreme Heat Warning: Santa Ana Mountains and Foothills — retained record

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

Canonical: https://highsignal.app/data/records/933b94339a21d3cc

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


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-09-09 14:25 ingested 2026-09-10 02:52

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

## extract

Extreme Heat Warning — Santa Ana Mountains and Foothills
Severity: Severe. Certainty: Likely.
* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with high temperatures in the 90s to near 100 on Thursday with
morning low temperatures in the 70s expected.

* WHERE...Santa Ana Mountains and Foothills.

* WHEN...Until 8 PM PDT Thursday.

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

* ADDITIONAL DETAILS...Areas of Major HeatRisk. Very warm overnight
temperatures will limit relief from the heat.

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The historical document was shared with another weather alert and cannot be attributed to this record.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