Heat Advisory: Lower Columbia River; Tualatin Valley; Inner Portland Metro; East Portland Metro; East Central Willamette Valley; West Columbia River Gorge I-84 Corridor; Upper Hood River Valley; Central Columbia River Gorge I-84 Corridor; Cowlitz County Lowlands; North Clark County Lowlands; Inner Vancouver Metro; East Clark County Lowlands; West Columbia River Gorge - SR 14; Central Columbia River Gorge - SR 14

source: us-gov-api (us-gov-api:noaa-weather)published 2026-07-20 21:01ingested 2026-07-21 08:27

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Heat Advisory — Lower Columbia River; Tualatin Valley; Inner Portland Metro; East Portland Metro; East Central Willamette Valley; West Columbia River Gorge I-84 Corridor; Upper Hood River Valley; Central Columbia River Gorge I-84 Corridor; Cowlitz County Lowlands; North Clark County Lowlands; Inner Vancouver Metro; East Clark County Lowlands; West Columbia River Gorge - SR 14; Central Columbia River Gorge - SR 14 Severity: Moderate. Certainty: Likely. * WHAT...Temperatures as high as 95 to 100 expected. * WHERE...Western and Central Columbia River Gorge and the Hood River Valley, Portland Metro Lowlands, Greater Vancouver Metro, Lower Columbia River and Cowlitz River Valleys, and East Central Willamette Valley. * WHEN...From 10 AM Tuesday to 11 PM PDT Wednesday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Smoke from fires outside of the region or clouds moving into the area could result in cooler daytime high temperatures than currently forecast.

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The historical document was shared with another weather alert and cannot be attributed to this record.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