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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4 Miles NNW 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: 40 °F

Friday

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

High: 44 °F

Friday
Night

Rain/Snow Likely Chance for Measurable Precipitation 70%

Rain/Snow
Likely

Low: 35 °F

Saturday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 43 °F

Saturday
Night

Clear

Clear

Low: 27 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 47 °F

Sunday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 30 °F

Monday

Snow Likely

Snow
Likely

High: 37 °F

Monday
Night

Slight Chance Snow

Slight Chc
Snow

Low: 25 °F

Detailed Forecast

  • Overnight Rain showers. Low around 40. South southeast wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
  • Friday Rain and snow showers. Some thunder is also possible. High near 44. Calm wind becoming southeast around 5 mph in the morning. Chance of precipitation is 100%. Little or no snow accumulation expected.
  • Friday Night Rain and snow showers likely, mainly before 10pm. Some thunder is also possible. Cloudy, then gradually becoming partly cloudy, with a low around 35. East northeast wind 6 to 10 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
  • Saturday A 20 percent chance of snow showers before 10am. Sunny, with a high near 43. East northeast wind 9 to 11 mph.
  • Saturday Night Clear, with a low around 27. East wind 5 to 7 mph.
  • Sunday Mostly sunny, with a high near 47.
  • Sunday Night Mostly cloudy, with a low around 30.
  • Monday Snow showers likely. Cloudy, with a high near 37.
  • Monday Night A slight chance of snow showers. Mostly cloudy, with a low around 25.
  • Tuesday Partly sunny, with a high near 40.
  • Tuesday Night Partly cloudy, with a low around 25.
  • Wednesday Mostly sunny, with a high near 41.
  • Wednesday Night Partly cloudy, with a low around 23.
  • Thursday Partly sunny, with a high near 44.