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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3 Miles E Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Overnight

Rain Chance for Measurable Precipitation 100%

Rain

Low: 43 °F

Friday

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

High: 45 °F

Friday
Night

Snow Chance for Measurable Precipitation 100%

Snow

Low: 28 °F

Saturday

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

High: 31 °F

Saturday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 18 °F

Sunday

Sunny

Sunny

High: 33 °F

Sunday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 24 °F

Monday

Slight Chance Snow

Slight Chc
Snow

High: 38 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 26 °F

Detailed Forecast

  • Overnight Rain. Low around 43. South southwest wind around 9 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Friday Rain before 4pm, then rain and snow. High near 45. West southwest wind 11 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
  • Friday Night Snow showers. Low around 28. West wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
  • Saturday Snow showers likely, mainly before 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 31. West northwest wind around 8 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
  • Saturday Night A 20 percent chance of snow showers before 10pm. Mostly clear, with a low around 18. East southeast wind 13 to 16 mph, with gusts as high as 25 mph.
  • Sunday Sunny, with a high near 33.
  • Sunday Night Mostly cloudy, with a low around 24.
  • Monday A slight chance of snow. Cloudy, with a high near 38.
  • Monday Night Mostly cloudy, with a low around 26.
  • Tuesday Partly sunny, with a high near 39.
  • Tuesday Night Mostly cloudy, with a low around 28.
  • Wednesday Mostly cloudy, with a high near 41.
  • Wednesday Night A chance of rain. Cloudy, with a low around 31.
  • Thursday A chance of rain. Mostly cloudy, with a high near 41.