# Heat Advisory: San Diego County Inland Valleys; Santa Ana Mountains and Foothills; Orange County Inland — retained record

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

Canonical: https://highsignal.app/data/records/247cd1a3f9185bcd

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


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-07-20 21:26 ingested 2026-07-21 08:27

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

## extract

Heat Advisory — San Diego County Inland Valleys; Santa Ana Mountains and Foothills; Orange County Inland
Severity: Moderate. Certainty: Likely.
* WHAT...High temperatures 90 to 100 degrees expected. Low
temperatures in the upper 60s to low 70s.

* WHERE...Orange County Inland Areas, San Diego County Valleys, and
Santa Ana Mountains and Foothills.

* WHEN...From 10 AM Wednesday to 8 PM PDT Monday.

* IMPACTS...Hot temperatures may cause heat illnesses.

* ADDITIONAL DETAILS...Widespread moderate HeatRisk with localized
major HeatRisk. Elevated  low temperatures will limit overnight
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The historical document was shared with another weather alert and cannot be attributed to this record.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.