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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16 Miles ENE Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Tonight

Snow Chance for Measurable Precipitation 90%

Snow

Low: 32 °F

Monday

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

High: 37 °F

Monday
Night

Chance Rain/Snow Chance for Measurable Precipitation 40%

Chance
Rain/Snow

Low: 34 °F

Tuesday

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

High: 39 °F

Tuesday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 32 °F

Wednesday

Snow Chance for Measurable Precipitation 90%

Snow

High: 33 °F

Wednesday
Night

Snow Chance for Measurable Precipitation 80%

Snow

Low: 23 °F

Christmas
Day

Chance Snow

Chance
Snow

High: 27 °F

Thursday
Night

Chance Snow

Chance
Snow

Low: 23 °F

Detailed Forecast

  • Tonight Snow, mainly before 4am. Low around 32. Windy, with a west wind 23 to 30 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.
  • Monday A 40 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 37. West northwest wind 6 to 15 mph, with gusts as high as 20 mph. Little or no snow accumulation expected.
  • Monday Night A chance of snow before 10pm, then a chance of rain. Mostly cloudy, with a low around 34. West southwest wind 5 to 9 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
  • Tuesday Rain likely, mainly after 10am. Mostly cloudy, with a high near 39. West southwest wind around 11 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Tuesday Night Rain. Low around 32. Southwest wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
  • Wednesday Snow. High near 33. Breezy. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
  • Wednesday Night Snow showers. Low around 23. Windy. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
  • Christmas Day A chance of snow showers. Mostly cloudy, with a high near 27. Breezy.
  • Thursday Night A chance of snow showers. Mostly cloudy, with a low around 23.
  • Friday A chance of snow showers. Partly sunny, with a high near 30.
  • Friday Night Mostly cloudy, with a low around 23.
  • Saturday A slight chance of snow showers. Partly sunny, with a high near 30.
  • Saturday Night A chance of snow showers. Mostly cloudy, with a low around 24.
  • Sunday A chance of snow showers. Partly sunny, with a high near 30.