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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4 Miles SSE Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Tonight

Rain Chance for Measurable Precipitation 90%

Rain

Low: 41 °F

Monday

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

High: 47 °F

Monday
Night

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

Low: 38 °F

Tuesday

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

High: 47 °F

Tuesday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 37 °F

Wednesday

Rain/Snow Chance for Measurable Precipitation 90%

Rain/Snow

High: 41 °F

Wednesday
Night

Snow Chance for Measurable Precipitation 80%

Snow

Low: 31 °F

Christmas
Day

Chance Snow

Chance
Snow

High: 38 °F

Thursday
Night

Chance Snow

Chance
Snow

Low: 29 °F

Detailed Forecast

  • Tonight Rain, mainly before 4am. Low around 41. West wind 8 to 13 mph becoming light in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Monday A 40 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 47. West northwest wind around 6 mph becoming calm in the morning.
  • Monday Night A 40 percent chance of rain. Mostly cloudy, with a low around 38. Calm wind becoming south southeast around 6 mph after midnight. New precipitation amounts of less than a tenth of an inch possible.
  • Tuesday Rain likely, mainly after 10am. Mostly cloudy, with a high near 47. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Tuesday Night Rain. Low around 37. Light southwest wind increasing to 8 to 13 mph in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
  • Wednesday Rain before 10am, then snow. High near 41. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
  • Wednesday Night Snow showers. Low around 31. 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 38.
  • Thursday Night A chance of snow showers. Mostly cloudy, with a low around 29.
  • Friday A chance of snow showers. Partly sunny, with a high near 39.
  • Friday Night Mostly cloudy, with a low around 28.
  • Saturday A chance of rain showers. Partly sunny, with a high near 41.
  • Saturday Night A chance of rain and snow showers. Mostly cloudy, with a low around 29.
  • Sunday A chance of snow showers. Partly sunny, with a high near 38.