National Weather Service United States Department of Commerce

Rainfall and mountain snow will continue across the western U.S. into Monday

Heavy precipitation along the west coast will persist with a focus along the Coastal Ranges and Cascades. While not nearly as impressive as recent days, the forecast suggests another 1 to 3 inches of rainfall is possible across this region. Farther inland, moderate to heavy snow is likely over the Wasatch and Colorado Rockies with 1 to 2 foot amounts possible through Monday.
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Current Conditions

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6 Miles N Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Overnight

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 38 °F

Monday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 40 °F

Monday
Night

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

Low: 36 °F

Tuesday

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

High: 42 °F

Tuesday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 34 °F

Wednesday

Snow Chance for Measurable Precipitation 100%

Snow

High: 36 °F

Wednesday
Night

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

Low: 26 °F

Christmas
Day

Chance Snow

Chance
Snow

High: 31 °F

Thursday
Night

Chance Snow

Chance
Snow

Low: 26 °F

Detailed Forecast

  • Overnight A 30 percent chance of snow. Mostly cloudy, with a low around 38. West wind around 13 mph. Little or no snow accumulation expected.
  • Monday A 30 percent chance of snow, mainly before 10am. Mostly cloudy, with a high near 40. West wind 5 to 10 mph becoming light west northwest in the morning. Little or no snow accumulation expected.
  • Monday Night A 50 percent chance of rain after 10pm. Mostly cloudy, with a low around 36. South southeast wind 3 to 6 mph.
  • Tuesday Rain likely. Mostly cloudy, with a high near 42. Southwest wind 14 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Tuesday Night Rain. Low around 34. Southwest wind 17 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
  • Wednesday Snow. High near 36. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
  • Wednesday Night Snow showers likely. Mostly cloudy, with a low around 26. Blustery. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
  • Christmas Day A chance of snow showers. Mostly cloudy, with a high near 31.
  • Thursday Night A chance of snow showers. Mostly cloudy, with a low around 26.
  • Friday A chance of snow showers. Mostly cloudy, with a high near 34.
  • Friday Night A chance of snow. Mostly cloudy, with a low around 30. Breezy.
  • Saturday A chance of snow. Mostly cloudy, with a high near 36.
  • Saturday Night A chance of snow showers. Mostly cloudy, with a low around 27.
  • Sunday A chance of snow showers. Mostly cloudy, with a high near 34.