# Heat Advisory: Lower Columbia River; Tualatin Valley; West Hills and Chehalem Mountains; Inner Portland Metro; East Portland Metro; Outer Southeast Portland Metro; West Central Willamette Valley; East Central Willamette Valley; Benton County Lowlands; Linn County Lowlands; Lane County Lowlands; Cowlitz County Lowlands; North Clark County Lowlands; Inner Vancouver Metro; East Clark County Lowlands; South Washington Cascade Foothills — retained record

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

Canonical: https://highsignal.app/data/records/7b2ef320eee888a2

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


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-08-04 22:54 ingested 2026-08-05 08:35

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

## extract

Heat Advisory — Lower Columbia River; Tualatin Valley; West Hills and Chehalem Mountains; Inner Portland Metro; East Portland Metro; Outer Southeast Portland Metro; West Central Willamette Valley; East Central Willamette Valley; Benton County Lowlands; Linn County Lowlands; Lane County Lowlands; Cowlitz County Lowlands; North Clark County Lowlands; Inner Vancouver Metro; East Clark County Lowlands; South Washington Cascade Foothills
Severity: Moderate. Certainty: Likely.
* WHAT...Afternoon high temperatures of 93 to 98 degrees and morning
low temperatures of 60 to 65 degrees expected.

* WHERE...Portions of northwest and west central Oregon and southwest
Washington.

* WHEN...Until 11 PM PDT Thursday.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.

* ADDITIONAL DETAILS...Wildfire smoke continues west of the Cascades
over northwest Oregon and southwest Washington, which may limit
high temperatures by approximately 1-3 degrees. However,
temperatures will still be hot enough to bring an increased risk
ofheat-related illnesses even if temperatures are dampened a few
degrees from smoke.

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The historical document was shared with another weather alert and cannot be attributed to this record.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