National Weather Service United States Department of Commerce

Storm system to bring winter weather from the Plains to New England through Monday

A storm system spinning over the central U.S. will set the stage for a widespread precipitation event across the central and eastern U.S. through Monday. A wide swath of accumulating snow will extend from Nebraska to New England. Just to the south of this area of snow, marginal temps will lead to the possibility of a transition zone of sleet and freezing rain.
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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

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 36 °F

Sunday

Snow Chance for Measurable Precipitation 100%

Snow

High: 38 °F

Sunday
Night

Snow Chance for Measurable Precipitation 80%

Snow

Low: 35 °F

Monday

Snow Chance for Measurable Precipitation 100%

Snow

High: 39 °F

Monday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 32 °F

Tuesday

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: 36 °F

Tuesday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 33 °F

Wednesday

Chance Snow

Chance
Snow

High: 40 °F

Wednesday
Night

Chance Snow

Chance
Snow

Low: 33 °F

Detailed Forecast

  • Tonight A 20 percent chance of snow. Cloudy, with a low around 36. South wind around 10 mph.
  • Sunday Snow. High near 38. South wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
  • Sunday Night Snow, mainly after 4am. Low around 35. West southwest wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
  • Monday Snow. High near 39. Breezy, with a south southwest wind 17 to 22 mph increasing to 23 to 28 mph in the morning. Winds could gust as high as 38 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
  • Monday Night A 50 percent chance of snow showers. Mostly cloudy, with a low around 32. Breezy, with a west wind 16 to 23 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.
  • Tuesday Snow showers likely, mainly after 10am. Cloudy, with a high near 36. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
  • Tuesday Night A 40 percent chance of snow showers. Mostly cloudy, with a low around 33. Little or no snow accumulation expected.
  • Wednesday A chance of snow. Mostly cloudy, with a high near 40.
  • Wednesday Night A chance of snow. Mostly cloudy, with a low around 33.
  • Thursday Rain and snow likely. Cloudy, with a high near 39. Breezy.
  • Thursday Night Rain and snow. Cloudy, with a low around 36. Breezy.
  • Friday Rain. Cloudy, with a high near 41. Windy.
  • Friday Night Rain. Cloudy, with a low around 35. Windy.
  • Saturday Snow likely. Cloudy, with a high near 40. Windy.