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Western Washington Forecast

Gusty and cold north winds move in on Saturday, Maybe a few flurries or rain snow mix. Cold sunshine for Sunday-Tuesday then warming.

WASHINGTON, USA — SUMMARY: High pressure is building into British Columbia and eastern Washington. This will push cold air out of the Fraser River Canyon and through the Cascade passes. This will produce gusty winds in Whatcom and San Juan counties and near the Cascade foothills beginning during the morning Saturday and continuing through the day.

As the cold air moves south, it may produce a few mixed rain and snow showers or a few flurries late Saturday afternoon or evening. Accumulations, if there, are any, will be less than 1”. The cold dry air will spread clearing skies from the north during the afternoon and evening.  

Cold weather settles in for Sunday and Monday with daytime highs in the 30s and lows mostly in the 20s. Monday will be the coldest morning with lows in the teens to mid-20s. 

Tuesday and Wednesday will see an increase in clouds and even a few light snow showers before temperatures gradually begin to warm. Highs in the low to mid-40s and lows in the upper 20s and 30s.

Temperatures will continue to warm through the end of the week with rain returning later Thursday and Friday.


Overnight: Mostly cloudy skies but dry with lows falling into the 20s & 30s. Wind remains on the light side.

Saturday: Mostly cloudy skies with a few spotty rain showers for Central and South Sound. Increasingly gusty winds during the morning continue through the day with the strongest in Whatcom, Skagit and San Juan counties where there's a Wind Advisory. Winds could gust as high as 50 mph within the Wind Advisory. Winds will be lighter in Seattle but could still gust over 20 mph Saturday afternoon. 

There is a small chance for a few light rain/snow showers or flurries later Saturday afternoon and early evening for parts of King and Pierce counties but no accumulations are expected. The mountain passes will see a couple inches of snow throughout the day Saturday.

Saturday Night: Skies clear from the north during the evening. Clear and cold after midnight. Lows fall into the 20s with wind chills falling into the teens for the Northwest Interior.

Sunday - Monday: Sunny but cold. Winds end early Sunday morning. Highs will be in the mid to upper 30s, with overnight lows in the 20s except for Monday morning lows in the teens to mid-20s. 

Tuesday-Wednesday: There's a chance for light lowland snow on Tuesday for parts of Puget Sound that'll transition to a light rain/snow mixture or rain by early Wednesday morning. If any, only light accumulations are expected. Highs will be in the 30s Tuesday and in the 40s Wednesday.

Thursday: Mostly cloudy with rain increasing later in the afternoon. Highs in the low to mid-40s.

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