National Weather Service United States Department of Commerce

Stormy weather expected for the Pacific Northwest and Intermountain West

An impressive frontal system will continue moving through the Pacific Northwest and the Intermountain West and slowly make its way south. Behind it very cold Arctic air will follow. Higher elevation snow and moderate rainfall can be expected throughout these regions along with strong winds.
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Current Conditions

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Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Today

Snow Chance for Measurable Precipitation 100%

Snow

High: 40 °FFalling Temperatures

Tonight

Snow Chance for Measurable Precipitation 100%

Snow

Low: 20 °F

Saturday

Snow Chance for Measurable Precipitation 80%

Snow

High: 24 °F

Saturday
Night

Mostly Clear

Mostly
Clear

Low: 19 °F

Sunday

Sunny

Sunny

High: 28 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 24 °F

Monday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 32 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 24 °F

Tuesday

Slight Chance Snow

Slight Chc
Snow

High: 34 °F

Detailed Forecast

  • Today Snow. Temperature falling to around 33 by 5pm. Breezy, with a southwest wind 18 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. Total daytime snow accumulation of around an inch possible.
  • Tonight Snow showers. Low around 20. West wind 17 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
  • Saturday Snow showers. High near 24. West wind around 10 mph becoming north northwest in the afternoon. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
  • Saturday Night Mostly clear, with a low around 19. East wind around 15 mph, with gusts as high as 24 mph.
  • Sunday Sunny, with a high near 28. East wind around 16 mph, with gusts as high as 25 mph.
  • Sunday Night Partly cloudy, with a low around 24.
  • Monday A 30 percent chance of snow. Mostly cloudy, with a high near 32. Little or no snow accumulation expected.
  • Monday Night Mostly cloudy, with a low around 24.
  • Tuesday A slight chance of snow showers. Partly sunny, with a high near 34.
  • Tuesday Night Mostly cloudy, with a low around 30.
  • Wednesday A slight chance of snow showers. Mostly cloudy, with a high near 37.
  • Wednesday Night A chance of snow. Cloudy, with a low around 30.
  • Thursday A chance of snow. Mostly cloudy, with a high near 36.