# Heat Advisory: Foothills and Valleys of Thurston and Lewis Counties; Olympia and Southern Puget Sound; Lowlands of Lewis and Southern Thurston Counties; Middle Chehalis River Valley; Southern Hood Canal; Foothills of the Western and Southern Olympic Peninsula — retained record

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

Canonical: https://highsignal.app/data/records/bc0f1367d78c2761

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


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-07-21 15:19 ingested 2026-07-22 08:29

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

## extract

Heat Advisory — Foothills and Valleys of Thurston and Lewis Counties; Olympia and Southern Puget Sound; Lowlands of Lewis and Southern Thurston Counties; Middle Chehalis River Valley; Southern Hood Canal; Foothills of the Western and Southern Olympic Peninsula
Severity: Moderate. Certainty: Likely.
* WHAT...Hot conditions with high temperatures in the 90s to near
100 degrees and low temperatures in the mid 60s. This will pose a
major risk of heat-related illness.

* WHERE...Foothills of the Western and Southern Olympic Peninsula,
Middle Chehalis River Valley, Southern Hood Canal, Foothills and
Valleys of Thurston and Lewis Counties, Lowlands of Lewis and
Southern Thurston Counties, and Olympia and Southern Puget Sound.

* WHEN...Until 11 PM PDT Wednesday.

* IMPACTS...Extreme heat will significantly increase the risk of
heat-related illnesses for much of the population, especially
those who are heat sensitive and those without effective cooling
or adequate hydration.

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The historical document was shared with another weather alert and cannot be attributed to this record.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