# Heat Advisory: Eastern Columbia River Gorge of Oregon; Lower Columbia Basin of Oregon; Grande Ronde Valley; Wallowa County; Northern Blue Mountains of Oregon; Southern Blue Mountains of Oregon; John Day Basin; Ochoco-John Day Highlands; Foothills of the Northern Blue Mountains of Oregon; Foothills of the Southern Blue Mountains of Oregon; North Central Oregon; Central Oregon; Eastern Columbia River Gorge of Washington; Kittitas Valley; Yakima Valley; Lower Columbia Basin of Washington; Foothills of the Blue Mountains of Washington; Northwest Blue Mountains; Simcoe Highlands; Lower Slopes of the Eastern Washington Cascades Crest — retained record

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

Canonical: https://highsignal.app/data/records/67951ce0bd239f95

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


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-08-20 22:58 ingested 2026-08-21 06:44

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

## extract

Heat Advisory — Eastern Columbia River Gorge of Oregon; Lower Columbia Basin of Oregon; Grande Ronde Valley; Wallowa County; Northern Blue Mountains of Oregon; Southern Blue Mountains of Oregon; John Day Basin; Ochoco-John Day Highlands; Foothills of the Northern Blue Mountains of Oregon; Foothills of the Southern Blue Mountains of Oregon; North Central Oregon; Central Oregon; Eastern Columbia River Gorge of Washington; Kittitas Valley; Yakima Valley; Lower Columbia Basin of Washington; Foothills of the Blue Mountains of Washington; Northwest Blue Mountains; Simcoe Highlands; Lower Slopes of the Eastern Washington Cascades Crest
Severity: Moderate. Certainty: Likely.
* WHAT...Hot conditions with afternoon high temperatures of 95
to 105 degrees expected. This will pose a moderate to major
risk of heat-related illness.

* WHERE...Portions of central, north central, and northeast
Oregon and central, south central, and southeast Washington.

* WHEN...Until 10 PM PDT Friday.

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

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The historical document was shared with another weather alert and cannot be attributed to this record.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