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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Hazardous Weather Conditions

Current Conditions

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16 Miles ESE Cooke City MT

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Tonight

Mostly Clear

Mostly
Clear

Low: 32 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 51 °F

Tuesday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 32 °F

Wednesday

Chance Rain/Snow Chance for Measurable Precipitation 50%

Chance
Rain/Snow

High: 40 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 19 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 39 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 18 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 37 °F

Friday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 14 °F

Detailed Forecast

  • Tonight Mostly clear, with a low around 32. West northwest wind around 14 mph, with gusts as high as 20 mph.
  • Tuesday Mostly sunny, with a high near 51. West wind 13 to 16 mph, with gusts as high as 22 mph.
  • Tuesday Night A chance of snow after 11pm. Mostly cloudy, with a low around 32. Breezy, with a west wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.
  • Wednesday A chance of rain and snow before 11am, then a chance of rain. Mostly cloudy, with a high near 40. West wind 7 to 10 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
  • Wednesday Night Partly cloudy, with a low around 19. West southwest wind around 6 mph.
  • Thursday Mostly sunny, with a high near 39. South southwest wind around 6 mph.
  • Thursday Night Partly cloudy, with a low around 18. West southwest wind around 7 mph.
  • Friday Mostly sunny, with a high near 37.
  • Friday Night A 20 percent chance of snow. Partly cloudy, with a low around 14.
  • Saturday A 20 percent chance of snow. Mostly sunny, with a high near 31.
  • Saturday Night A slight chance of snow. Partly cloudy, with a low around 13.
  • Sunday A slight chance of snow. Partly sunny, with a high near 33.
  • Sunday Night A slight chance of snow. Mostly cloudy, with a low around 21.
  • Monday A slight chance of rain and snow. Partly sunny, with a high near 38.