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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2 Miles WSW 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: 35 °F

Monday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 39 °F

Monday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 35 °F

Tuesday

Rain Chance for Measurable Precipitation 80%

Rain

High: 40 °F

Tuesday
Night

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

Low: 32 °F

Wednesday

Snow Chance for Measurable Precipitation 100%

Snow

High: 33 °F

Wednesday
Night

Snow Chance for Measurable Precipitation 80%

Snow

Low: 23 °F

Christmas
Day

Chance Snow

Chance
Snow

High: 26 °F

Thursday
Night

Chance Snow

Chance
Snow

Low: 25 °F

Detailed Forecast

  • Overnight A 30 percent chance of snow. Mostly cloudy, with a low around 35. West wind around 17 mph, with gusts as high as 23 mph. Little or no snow accumulation expected.
  • Monday A 30 percent chance of snow, mainly before 10am. Mostly cloudy, with a high near 39. West northwest wind 5 to 15 mph, with gusts as high as 20 mph. Little or no snow accumulation expected.
  • Monday Night A chance of snow after 10pm. Mostly cloudy, with a low around 35. South wind 5 to 9 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
  • Tuesday Rain. High near 40. Breezy, with a west southwest wind 16 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Tuesday Night Rain before 10pm, then snow. Low around 32. Southwest wind 17 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
  • Wednesday Snow. High near 33. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
  • Wednesday Night Snow showers. Low around 23. Windy. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
  • Christmas Day A chance of snow showers. Mostly cloudy, with a high near 26.
  • Thursday Night A chance of snow showers. Mostly cloudy, with a low around 25.
  • Friday A chance of snow showers. Mostly cloudy, with a high near 32.
  • 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 33.
  • 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 30.