National Weather Service United States Department of Commerce

Major nor'easter to affect northeastern U.S.

The stage is being set for a major nor'easter to affect parts of the Northeast Monday through Wednesday. This system will be responsible for heavy snowfall and strong winds, with blizzard conditions possible along coastal areas from New Jersey to Massachusetts. Blizzard Warnings are in effect along the coast from central New Jersey to the Canadian border.
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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

Mostly Clear

Mostly
Clear

Low: 45 °F

Monday

Sunny

Sunny

High: 56 °F

Monday
Night

Increasing Clouds

Increasing
Clouds

Low: 35 °F

Tuesday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 44 °F

Tuesday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 32 °F

Wednesday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 40 °F

Wednesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 30 °F

Thursday

Partly Sunny

Partly
Sunny

High: 42 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 34 °F

Detailed Forecast

  • Tonight Mostly clear, with a low around 45. Southeast wind 3 to 7 mph.
  • Monday Sunny, with a high near 56. Southeast wind 7 to 10 mph.
  • Monday Night Increasing clouds, with a low around 35. South southwest wind 11 to 14 mph, with gusts as high as 20 mph.
  • Tuesday A 20 percent chance of snow after 10am. Mostly cloudy, with a high near 44. Southwest wind 8 to 11 mph.
  • Tuesday Night A 30 percent chance of snow showers. Mostly cloudy, with a low around 32. West wind 6 to 9 mph. Little or no snow accumulation expected.
  • Wednesday A 20 percent chance of snow showers. Mostly cloudy, with a high near 40.
  • Wednesday Night A 20 percent chance of snow showers. Mostly cloudy, with a low around 30.
  • Thursday Partly sunny, with a high near 42.
  • Thursday Night Partly cloudy, with a low around 34.
  • Friday Mostly sunny, with a high near 48.
  • Friday Night Partly cloudy, with a low around 37.
  • Saturday Mostly sunny, with a high near 49.
  • Saturday Night A chance of showers. Partly cloudy, with a low around 33.
  • Sunday A chance of showers. Partly sunny, with a high near 48.