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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16 Miles ESE Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Overnight

Rain Chance for Measurable Precipitation 90%

Rain

Low: 42 °F

Thanksgiving
Day

Rain Chance for Measurable Precipitation 90%

Rain

High: 49 °F

Thursday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 42 °F

Friday

Rain Chance for Measurable Precipitation 100%

Rain

High: 46 °F

Friday
Night

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

Low: 32 °F

Saturday

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: 32 °F

Saturday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 19 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 35 °F

Sunday
Night

Slight Chance Snow

Slight Chc
Snow

Low: 21 °F

Detailed Forecast

  • Overnight Rain. Low around 42. Southwest wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Thanksgiving Day Rain. High near 49. Southwest wind 9 to 11 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
  • Thursday Night Rain. Low around 42. Southwest wind 8 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
  • Friday Rain. High near 46. West southwest wind around 10 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
  • Friday Night Rain before 10pm, then snow likely. Low around 32. West wind 9 to 11 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
  • Saturday Snow showers likely, mainly before 10am. Mostly cloudy, with a high near 32. 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 19.
  • Sunday Mostly sunny, with a high near 35.
  • Sunday Night A slight chance of snow. Mostly cloudy, with a low around 21.
  • Monday A chance of snow. Cloudy, with a high near 37.
  • Monday Night A chance of rain and snow. Mostly cloudy, with a low around 28.
  • Tuesday A slight chance of snow. Mostly cloudy, with a high near 42.
  • Tuesday Night A slight chance of snow. Mostly cloudy, with a low around 29.
  • Wednesday A chance of rain. Cloudy, with a high near 42.