National Weather Service United States Department of Commerce

East Coast winter storm forecast to impact Thanksgiving holiday travel

A storm system will develop off the coast of the Carolinas early Wednesday and strengthen as it moves rapidly up the East Coast Wednesday into early Thursday. Heavy snow is likely to begin in the central Appalachians early Wednesday morning, spreading northeast through the interior Mid-Atlantic into New England by Wednesday night. Winter Storm Watches are in effect for these areas.
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Current Conditions

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Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Tonight

Rain Chance for Measurable Precipitation 100%

Rain

Low: 38 °F

Tuesday

Rain Chance for Measurable Precipitation 100%

Rain

High: 43 °F

Tuesday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 42 °F

Wednesday

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

High: 44 °F

Wednesday
Night

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

Low: 39 °F

Thanksgiving
Day

Rain Chance for Measurable Precipitation 100%

Rain

High: 41 °F

Thursday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 34 °F

Friday

Rain/Snow

Rain/Snow

High: 39 °F

Friday
Night

Snow

Snow

Low: 33 °F

Detailed Forecast

  • Tonight Rain. Low around 38. Southwest wind 9 to 16 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
  • Tuesday Rain. High near 43. Breezy, with a west wind 23 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
  • Tuesday Night Rain. Low around 42. Breezy, with a west wind 21 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Wednesday A 20 percent chance of rain. Mostly cloudy, with a high near 44. West southwest wind around 15 mph, with gusts as high as 21 mph.
  • Wednesday Night A 50 percent chance of rain. Cloudy, with a low around 39. Breezy, with a southwest wind 18 to 23 mph, with gusts as high as 31 mph. New precipitation amounts between a quarter and half of an inch possible.
  • Thanksgiving Day Rain. High near 41. Breezy. Chance of precipitation is 100%.
  • Thursday Night Rain. Low around 34. Breezy. Chance of precipitation is 80%.
  • Friday Rain and snow. Cloudy, with a high near 39.
  • Friday Night Snow. Cloudy, with a low around 33.
  • Saturday A chance of snow. Mostly cloudy, with a high near 38.
  • Saturday Night A chance of snow. Mostly cloudy, with a low around 31.
  • Sunday A chance of snow. Cloudy, with a high near 34.
  • Sunday Night A chance of snow. Cloudy, with a low around 26.
  • Monday A chance of snow. Cloudy, with a high near 30.