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.
Read More...

Current Conditions

En Español

Share |

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 °FFalling Temperatures

Thursday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 37 °F

Friday

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

High: 43 °F

Friday
Night

Snow Chance for Measurable Precipitation 100%

Snow

Low: 22 °F

Saturday

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: 22 °F

Saturday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 19 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 32 °F

Sunday
Night

Slight Chance Snow

Slight Chc
Snow

Low: 25 °F

Detailed Forecast

  • Tonight Rain, mainly after 10pm. Low around 41. South wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
  • Thanksgiving Day Rain. Temperature rising to near 45 by 11am, then falling to around 38 during the remainder of the day. South southwest wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
  • Thursday Night Rain. Low around 37. South southwest wind around 15 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
  • Friday Rain before 10am, then rain and snow. High near 43. Southwest wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
  • Friday Night Snow. Low around 22. West wind around 16 mph, with gusts as high as 25 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 22. 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 32.
  • Sunday Night A slight chance of snow. Mostly cloudy, with a low around 25.
  • Monday A chance of snow. Cloudy, with a high near 37.
  • Monday Night A chance of snow. Mostly cloudy, with a low around 21.
  • Tuesday A slight chance of snow. Partly sunny, with a high near 35.
  • Tuesday Night A slight chance of snow. Mostly cloudy, with a low around 30.
  • Wednesday A chance of snow. Mostly cloudy, with a high near 36.