Whatcom County, WA
Alerts
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Alerts are listed in order of start time and level of severity. Click on the alert title to read details for each alert.
In effect from Saturday 10/31 12:00 AM PDT – Saturday 10/31 9:00 AM PDT
Issued by NWS Seattle WA
What
Temperatures as low as 34 will result in frost formation. Temperatures may vary due to clearing or fog development in localized areas.
Where
Portions of northwest and west central Washington.
When
From midnight tonight to 9 AM PDT Saturday.
Impacts
Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Additional Details
The growing season officially ends on October 31, after which no further frost or freeze headlines will be issued.
What to Do
Take steps now to protect tender plants from the cold.
Areas Impacted
- Foothills and Valleys of the North Cascades
- Foothills and Valleys of Snohomish and Northern King Counties
- Foothills and Valleys of Central King County
- Lowlands of Western Whatcom County
- Lowlands of Western Skagit and Northwestern Snohomish Counties
- Downtown Everett / Marysville Area
- Shoreline / Lynnwood / South Everett Area
- Eastside
- Eastern Kitsap County
- Eastern Strait of Juan de Fuca
- Western Strait of Juan de Fuca
- Lake Crescent Area Including US 101
Tips to Stay Safe
A Frost Advisory means that your area is likely to see frost developing overnight, which can harm young or vulnerable plants. Cover these plants before the sun goes down to help them retain heat.
Briefings
From the Forecaster
Seven-day Weather Risk Overview
The graphic shows the daily risk summary for 7 days. Daily risk is based on highest risk factor for that day.
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