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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3 Miles NNW Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Tonight

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

Low: 38 °F

Sunday

Rain Chance for Measurable Precipitation 100%

Rain

High: 47 °F

Sunday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 39 °F

Monday

Rain Chance for Measurable Precipitation 100%

Rain

High: 47 °F

Monday
Night

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

Low: 36 °F

Tuesday

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

High: 45 °F

Tuesday
Night

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

Low: 38 °F

Wednesday

Chance Rain

Chance
Rain

High: 49 °F

Wednesday
Night

Chance Rain

Chance
Rain

Low: 37 °F

Detailed Forecast

  • Tonight A 20 percent chance of rain. Cloudy, with a low around 38. Southeast wind around 9 mph.
  • Sunday Rain. High near 47. South southeast wind 7 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
  • Sunday Night Rain, mainly after 4am. Low around 39. South wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Monday Rain. High near 47. South southwest wind 11 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
  • Monday Night A 50 percent chance of showers. Mostly cloudy, with a low around 36. West wind 7 to 14 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
  • Tuesday Showers likely, mainly after 10am. Cloudy, with a high near 45. Chance of precipitation is 60%.
  • Tuesday Night A 40 percent chance of showers. Mostly cloudy, with a low around 38.
  • Wednesday A chance of rain. Mostly cloudy, with a high near 49.
  • Wednesday Night A chance of rain. Mostly cloudy, with a low around 37.
  • Thursday Rain likely. Cloudy, with a high near 48.
  • Thursday Night Rain. Cloudy, with a low around 43.
  • Friday Rain. Cloudy, with a high near 50.
  • Friday Night Rain. Cloudy, with a low around 40.
  • Saturday Rain likely. Cloudy, with a high near 49.