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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23 Miles ESE Marblemount WA

7 Day Forecast

For More Weather Information:

Seattle, WA Local Forecast Office

Late
Afternoon

Snow Chance for Measurable Precipitation 100%

Snow

High: 29 °F

Tonight

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

Low: 29 °F

Tuesday

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

High: 38 °F

Tuesday
Night

Heavy Rain Chance for Measurable Precipitation 90%

Heavy
Rain

Low: 37 °F

Wednesday

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

High: 39 °F

Wednesday
Night

Rain Chance for Measurable Precipitation 90%

Rain

Low: 33 °F

Thanksgiving
Day

Rain Chance for Measurable Precipitation 80%

Rain

High: 37 °F

Thursday
Night

Rain

Rain

Low: 28 °F

Friday

Rain

Rain

High: 32 °F

Detailed Forecast

  • Late Afternoon Snow. Steady temperature around 29. Southwest wind around 20 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 2 to 4 inches possible.
  • Tonight Snow before 10pm, then rain and snow. Low around 29. Breezy, with a west wind 22 to 24 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
  • Tuesday Rain and snow. The rain could be heavy at times. High near 38. Northwest wind 5 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 100%. Little or no snow accumulation expected.
  • Tuesday Night Rain. The rain could be heavy at times. Low around 37. Windy, with a west southwest wind 28 to 33 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
  • Wednesday Rain likely. Cloudy, with a high near 39. Breezy, with a west southwest wind 17 to 26 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
  • Wednesday Night Rain. Low around 33. Breezy. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
  • Thanksgiving Day Rain. High near 37. Breezy. Chance of precipitation is 80%.
  • Thursday Night Rain. Cloudy, with a low around 28. Breezy.
  • Friday Rain. Cloudy, with a high near 32. Windy.
  • Friday Night Snow likely. Mostly cloudy, with a low around 22. Breezy.
  • Saturday A chance of snow. Mostly cloudy, with a high near 24.
  • Saturday Night A slight chance of snow. Mostly cloudy, with a low around 17.
  • Sunday A chance of snow. Mostly cloudy, with a high near 27. Breezy.
  • Sunday Night Snow likely. Cloudy, with a low around 22.
  • Monday Snow likely. Cloudy, with a high near 30.