National Weather Service United States Department of Commerce

East Coast winter storm forecast to impact Thanksgiving holiday travel

A storm system will develop off the coast of the Carolinas early Wednesday and strengthen as it moves rapidly up the East Coast Wednesday into early Thursday. Heavy snow is likely to begin in the central Appalachians early Wednesday morning, spreading northeast through the interior Mid-Atlantic into New England by Wednesday night. Winter Storm Watches are in effect for these areas.
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Current Conditions

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17 Miles ESE Cooke City MT

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Tonight

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

Low: 17 °F

Tuesday

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

High: 35 °F

Tuesday
Night

Snow Chance for Measurable Precipitation 80%

Snow

Low: 26 °F

Wednesday

Chance Rain/Snow Chance for Measurable Precipitation 40%

Chance
Rain/Snow

High: 37 °F

Wednesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 25 °F

Thanksgiving
Day

Partly Sunny

Partly
Sunny

High: 39 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 27 °F

Friday

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

High: 39 °F

Friday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 22 °F

Detailed Forecast

  • Tonight Snow likely, mainly after 2am. Mostly cloudy, with a low around 17. Northwest wind around 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
  • Tuesday Snow before 11am, then rain and snow. High near 35. West wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
  • Tuesday Night Snow. Low around 26. West wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
  • Wednesday A chance of snow before 11am, then a slight chance of rain and snow. Mostly cloudy, with a high near 37. Breezy, with a west wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
  • Wednesday Night A 20 percent chance of snow. Mostly cloudy, with a low around 25. West wind 11 to 16 mph, with gusts as high as 23 mph.
  • Thanksgiving Day Partly sunny, with a high near 39. West wind 11 to 16 mph, with gusts as high as 23 mph.
  • Thursday Night Partly cloudy, with a low around 27. West southwest wind around 16 mph, with gusts as high as 23 mph.
  • Friday A slight chance of rain and snow. Partly sunny, with a high near 39. Chance of precipitation is 20%.
  • Friday Night A 40 percent chance of snow. Mostly cloudy, with a low around 22.
  • Saturday A 40 percent chance of snow. Mostly cloudy, with a high near 30.
  • Saturday Night A chance of snow. Mostly cloudy, with a low around 16.
  • Sunday A slight chance of snow. Partly sunny, with a high near 30.
  • Sunday Night Mostly cloudy, with a low around 16.
  • Monday A slight chance of snow. Partly sunny, with a high near 31.