National Weather Service United States Department of Commerce

Winds, elevation snow and moderate rainfall possible for portions of the Northwest

The next system over the Pacific will move onshore over the West Coast Thursday night into Friday morning bringing wind, elevation snow and moderate rain to the Pacific Northwest beginning Thursday evening. Travel and outdoor impacts will be felt across the western U. S. as the storm moves east through the weekend.
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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

Rain Chance for Measurable Precipitation 100%

Rain

High: 48 °F

Tonight

Rain Chance for Measurable Precipitation 100%

Rain

Low: 39 °F

Friday

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

High: 39 °FFalling Temperatures

Friday
Night

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 34 °F

Saturday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 38 °F

Saturday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 34 °F

Sunday

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: 40 °F

Sunday
Night

Snow Likely

Snow
Likely

Low: 38 °F

Monday

Rain Likely

Rain
Likely

High: 41 °F

Detailed Forecast

  • Today Rain. High near 48. Southeast wind 10 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
  • Tonight Rain. Low around 39. South wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
  • Friday Rain and snow showers, becoming all snow after 11am. Temperature falling to around 38 by 2pm. Southwest wind around 9 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
  • Friday Night Snow showers likely, mainly before 11pm. Cloudy, with a low around 34. West northwest wind around 7 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
  • Saturday A 30 percent chance of snow showers. Cloudy, with a high near 38. West northwest wind around 10 mph. Little or no snow accumulation expected.
  • Saturday Night A 30 percent chance of snow showers, mainly after 11pm. Mostly cloudy, with a low around 34. New snow accumulation of less than a half inch possible.
  • Sunday Snow likely. Cloudy, with a high near 40. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
  • Sunday Night Snow likely. Cloudy, with a low around 38.
  • Monday Rain likely. Cloudy, with a high near 41.
  • Monday Night Rain likely. Cloudy, with a low around 41.
  • Tuesday Rain likely. Cloudy, with a high near 46. Breezy.
  • Tuesday Night Rain likely. Cloudy, with a low around 44. Breezy.
  • Wednesday Rain likely. Mostly cloudy, with a high near 44.