National Weather Service United States Department of Commerce

Unsettled weather moving into the western and central U.S.

Increasing moisture and colder air will filter into the Pacific Northwest Friday and into Saturday. Expect rain to start near the coast and then begin to spread steadily to the south and east into the interior mountains as snow Friday into Saturday. Enough moisture will be pushed eastward to also see snow in the central and southern Rockies and adjacent Plains Friday.
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Current Conditions

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2 Miles NNW Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Overnight

Snow Chance for Measurable Precipitation 100%

Snow

Low: 33 °F

Friday

Snow Chance for Measurable Precipitation 100%

Snow

High: 33 °F

Friday
Night

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

Low: 28 °F

Saturday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 32 °F

Saturday
Night

Clear

Clear

Low: 20 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 36 °F

Sunday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 22 °F

Monday

Snow Likely

Snow
Likely

High: 27 °F

Monday
Night

Slight Chance Snow

Slight Chc
Snow

Low: 15 °F

Detailed Forecast

  • Overnight Snow showers. Low around 33. South wind 8 to 10 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 4 to 8 inches possible.
  • Friday Snow showers. Some thunder is also possible. High near 33. Light and variable wind becoming south southeast around 5 mph in the morning. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
  • Friday Night Snow showers likely, mainly before 10pm. Some thunder is also possible. Cloudy, then gradually becoming partly cloudy, with a low around 28. East northeast wind 7 to 11 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
  • Saturday A 20 percent chance of snow showers before 10am. Sunny, with a high near 32. East northeast wind around 16 mph, with gusts as high as 23 mph.
  • Saturday Night Clear, with a low around 20. East northeast wind 8 to 10 mph.
  • Sunday Mostly sunny, with a high near 36.
  • Sunday Night Mostly cloudy, with a low around 22.
  • Monday Snow showers likely. Cloudy, with a high near 27.
  • Monday Night A slight chance of snow showers. Mostly cloudy, with a low around 15.
  • Tuesday Partly sunny, with a high near 26.
  • Tuesday Night Partly cloudy, with a low around 20.
  • Wednesday Mostly sunny, with a high near 32.
  • Wednesday Night Partly cloudy, with a low around 20.
  • Thursday Partly sunny, with a high near 37.