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Whatcom County weather forecast includes rain, snow, wind and extreme cold

Snow falling in Ferndale (December 5, 2016). Video: Whatcom News
Snow falling in Ferndale (December 5, 2016). Video: Whatcom News

WHATCOM COUNTY, Wash. — Forecasters in the National Weather Service (NWS) Seattle office say they have increased confidence in the current weather forecast through this weekend.

NWS forecasters, when considering all of western Washington’s weather, say to expect lowland rain, mountain snow and breezy winds today, December 22nd, through this Friday. Light rain and/or snow showers are possible Friday night through Saturday afternoon while snow levels drop to sea level by Saturday afternoon.

The highest probability for lowland snow accumulations will be Saturday night through Sunday night as temperatures become “very cold.”

Very cold conditions are expected to continue through New Year’s Day with low probabilities for precipitation but any that does occur will result in snowfall.

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The weather forecast for the Whatcom County area is closely aligned with the regional forecast. It says to expect blustery winds over the next few days and for temperatures to reach freezing and below beginning late Friday. An offshore low-pressure system combined with north to northeasterly winds on Friday presents an opportunity for Fraser Valley outflow winds to bring frigid air into parts of the county.

While there’s a slight chance for 6 or more inches of snow accumulation in Whatcom County lowlands over Friday and Saturday, it is much more likely to be in the 1-to-2-inch range given the current forecast.

InchesProbability
1+70%
2+55%
4+25%
6+5%

NWS forecasters provided the following minimum total snow accumulations expected by probability for late afternoon Saturday through late afternoon Monday for Whatcom County lowlands.

InchesProbability
1+90%
4+45%
6+25%
12+<5%

A coastal flood advisory is currently in effect until 7am Friday that warns of possible minor tidal overflow flooding around high tide on Thursday and Friday mornings as high tides will be around a foot above tide table predictions during that time.

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Whatcom News readers are encouraged to stay up to date with the current weather forecast for their specific locations via the Whatcom News Weather page. Tapping anywhere on the map will display a detailed location-specific forecast for upcoming hours and days.

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