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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17 Miles E 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: 40 °F

Tuesday

Rain Chance for Measurable Precipitation 100%

Rain

High: 49 °F

Tuesday
Night

Rain Chance for Measurable Precipitation 90%

Rain

Low: 44 °F

Wednesday

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

High: 50 °F

Wednesday
Night

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

Low: 42 °F

Thanksgiving
Day

Rain Chance for Measurable Precipitation 100%

Rain

High: 47 °F

Thursday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 43 °F

Friday

Rain

Rain

High: 45 °F

Friday
Night

Rain Likely

Rain
Likely

Low: 38 °F

Detailed Forecast

  • Tonight Rain. Low around 40. West southwest wind 8 to 11 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
  • Tuesday Rain. High near 49. West southwest wind 8 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
  • Tuesday Night Rain. Low around 44. West southwest wind around 8 mph. Chance of precipitation is 90%. 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 50. West wind around 6 mph becoming calm in the morning.
  • Wednesday Night A 50 percent chance of rain. Cloudy, with a low around 42. Calm wind becoming south around 6 mph in the evening. New precipitation amounts between a quarter and half of an inch possible.
  • Thanksgiving Day Rain. High near 47. Chance of precipitation is 100%.
  • Thursday Night Rain. Low around 43. Chance of precipitation is 80%.
  • Friday Rain. Cloudy, with a high near 45.
  • Friday Night Rain likely. Cloudy, with a low around 38.
  • Saturday A chance of rain and snow. Mostly cloudy, with a high near 44.
  • Saturday Night A chance of snow. Mostly cloudy, with a low around 28.
  • Sunday A chance of snow. Cloudy, with a high near 40.
  • Sunday Night A chance of rain and snow. Cloudy, with a low around 29.
  • Monday A chance of snow. Cloudy, with a high near 41.