National Weather Service United States Department of Commerce

While moderate snow winds down in the Northeast, heavy rainfall will develop across the Northwest

Moderate snow will begin tapering of throughout Thanksgiving Day across New England as the responsible coast low moves off eastern Canada by Friday morning. A weakening front will move into the Pacific Northwest Thanksgiving morning and dissipate bringing light to moderate rain to the Northwest Coast and parts of Northern California and elevation snow through Friday morning.
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Current Conditions

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6 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

Thanksgiving
Day

Rain Chance for Measurable Precipitation 100%

Rain

High: 45 °F

Thursday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 41 °F

Friday

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

High: 41 °F

Friday
Night

Snow Chance for Measurable Precipitation 100%

Snow

Low: 28 °F

Saturday

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: 28 °F

Saturday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 17 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 29 °F

Sunday
Night

Slight Chance Snow

Slight Chc
Snow

Low: 22 °F

Detailed Forecast

  • Tonight Rain. Low around 41. South southwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
  • Thanksgiving Day Rain. High near 45. South southwest wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
  • Thursday Night Rain. Low around 41. South southwest wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
  • Friday Rain before 4pm, then rain and snow. High near 41. Southwest wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
  • Friday Night Snow. Low around 28. West wind 11 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
  • Saturday Snow showers likely, mainly before 10am. Mostly cloudy, with a high near 28. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
  • Saturday Night A 20 percent chance of snow showers before 10pm. Partly cloudy, with a low around 17.
  • Sunday Mostly sunny, with a high near 29.
  • Sunday Night A slight chance of snow. Mostly cloudy, with a low around 22.
  • Monday A chance of snow. Cloudy, with a high near 32.
  • Monday Night A chance of snow. Mostly cloudy, with a low around 26.
  • Tuesday A slight chance of snow. Mostly cloudy, with a high near 36.
  • Tuesday Night A slight chance of snow. Mostly cloudy, with a low around 29.
  • Wednesday A chance of rain. Cloudy, with a high near 37.