National Weather Service United States Department of Commerce

Major nor'easter expected to bring heavy snow, blizzard conditions to Northeast

A storm system off the East Coast will continue to strengthen as it develops into a major nor'easter on Monday. As the storm moves up the coast, it is expected to bring snowfall of 1-3 feet or more to many parts of the Northeast through Tuesday evening, including New York City and Boston. Strong, gusty winds will combine with the snow to create blizzard conditions along and near the coast.
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Current Conditions

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2 Miles SE Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Tonight

Mostly Cloudy

Mostly
Cloudy

Low: 36 °F

Tuesday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 42 °F

Tuesday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 33 °F

Wednesday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 41 °F

Wednesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 31 °F

Thursday

Partly Sunny

Partly
Sunny

High: 41 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 34 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 46 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 36 °F

Detailed Forecast

  • Tonight Mostly cloudy, with a low around 36. South wind around 8 mph.
  • Tuesday A 30 percent chance of snow after 10am. Cloudy, with a high near 42. West southwest wind 6 to 8 mph. Little or no snow accumulation expected.
  • Tuesday Night A 40 percent chance of snow. Cloudy, with a low around 33. West wind around 5 mph becoming calm after midnight. Little or no snow accumulation expected.
  • Wednesday A 30 percent chance of snow showers, mainly before 10am. Cloudy, with a high near 41. South southwest wind around 6 mph. Little or no snow accumulation expected.
  • Wednesday Night A 20 percent chance of snow showers. Mostly cloudy, with a low around 31. South wind around 6 mph.
  • Thursday Partly sunny, with a high near 41.
  • Thursday Night Partly cloudy, with a low around 34.
  • Friday Mostly sunny, with a high near 46.
  • Friday Night Partly cloudy, with a low around 36.
  • Saturday Mostly sunny, with a high near 47.
  • Saturday Night A chance of showers. Mostly cloudy, with a low around 34.
  • Sunday A chance of showers. Mostly cloudy, with a high near 47.
  • Sunday Night Rain likely. Mostly cloudy, with a low around 35.
  • Monday A chance of rain and snow. Mostly cloudy, with a high near 42.