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Elev 100 ft, 45.86 °N, 122.8 °W

St. Helens, OR Severe Weather Alertstar_ratehome

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Location: St. Helens, OR
Elevation: 100ft
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Heat Advisory
Issued: 8:48 PM Aug. 10, 2025 – National Weather Service
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT TUESDAY...

* WHAT...Temperatures of 90-98 degrees F. Overnight temperatures of
59 to 65 degrees F.

* WHERE...North and Central Coast Range Valleys of Oregon, Lower
Columbia River and Cowlitz River Valleys, Willapa and Wahkiakum
Lowlands, and South Washington Cascade Foothills.

* WHEN...Until 10 PM PDT Tuesday.

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

* ADDITIONAL DETAILS...Highest overnight temperatures north of Hwy
18 in Oregon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in a cool place during the heat of the
day, stay out of the sunshine, and check up on relatives and
neighbors. For those without air conditioning, use fans to keep air
moving. Keeps windows closed during the day and open at night,
unless air quality is degraded due to wildfire smoke.

Monitor the latest forecasts and warnings for updates.

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