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Elev 115 ft, 46.27 °N, 122.91 °W

Castle Rock, WA Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Castle Rock, WA
Elevation: 115ft
Nearby Weather Stations

Active Weather Alerts

Frost Advisory
Issued: 3:28 AM Apr. 17, 2026 – National Weather Service
...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM PDT FRIDAY...

* WHAT...Temperatures of 32 to 36 degrees will result in frost
formation.

* WHERE...Northern and Central Coast Range Valleys and Mountains of
Oregon, Eastern Portland/Vancouver Metro, Lower Columbia River and
Cowlitz River Valleys, Central Willamette Valley, Tillamook County
Coast, Central Coast of Oregon, Tualatin Valley, Portland West
Hills and Chehalem Mountain, Willapa Hills, North Clark County
Lowlands, and South Washington Cascade Foothills.

* WHEN...From 1 AM to 9 AM PDT Friday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender outdoor plants from the cold.
Consider temporarily moving outdoor potted plants indoors if they
are sensitive to cold temperatures.

Consider temporarily covering sensitive plants with a lightweight
cotton fabric (i.e., bedsheets, thin blankets), as this will help
retain heat and provide frost protection for your plants.

&&

Small Craft Advisory
Issued: 11:55 PM Apr. 16, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 AM PDT
FRIDAY...

* WHAT...Rough bar conditions expected. Seas 7 to 8 ft during a
very strong ebb current and north to northwest winds 5 to 10
kt.

* WHERE...In the Main Channel of the Columbia River Bar.

* WHEN...From 3 AM to 9 AM PDT Friday.

* IMPACTS...Conditions will be hazardous to small craft,
especially when operating near to, or attempting to cross, the
Columbia River Bar.

* ADDITIONAL DETAILS...Ebb current of 4.63 kt at 448 PM
Thursday. Seas 6 ft. Very strong ebb current of 6.52 kt at 507
AM Friday. Seas 7 to 8 ft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wave conditions are expected to
be hazardous to small craft in the vicinity of the Columbia River
Bar. Mariners are advised to obtain the latest bar conditions
from the United States Coast Guard before attempting to cross the
bar.

&&

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