National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. on Saturday

Another Pacific system will impact the West Coast today. Heavy rainfall could lead to flash flooding, river and small stream flooding as well as mudslides and debris flows, especially over burn scars. Strong winds and heavy elevation snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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Current Conditions

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10 Miles ENE Alpine WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

This
Afternoon

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: 33 °F

Tonight

Snow Chance for Measurable Precipitation 100%

Snow

Low: 28 °F

Sunday

Snow Chance for Measurable Precipitation 100%

Snow

High: 37 °F

Sunday
Night

Snow Chance for Measurable Precipitation 90%

Snow

Low: 26 °F

Monday

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: 32 °F

Monday
Night

Snow Chance for Measurable Precipitation 20%

Snow

Low: 13 °F

Tuesday

Partly Sunny

Partly
Sunny

High: 23 °F

Tuesday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 22 °F

Wednesday

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

High: 35 °F

Detailed Forecast

  • This Afternoon Snow likely. Cloudy, with a high near 33. South southwest wind around 13 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than one inch possible.
  • Tonight Snow. Low around 28. Breezy, with a south southwest wind 11 to 16 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
  • Sunday Snow with areas of blowing snow. High near 37. Windy, with a west southwest wind 20 to 30 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
  • Sunday Night Snow. Low around 26. Breezy, with a west southwest wind 17 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
  • Monday Snow showers likely, mainly before 11am. Mostly cloudy, with a high near 32. West wind 11 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
  • Monday Night A slight chance of snow showers before 11pm, then a chance for flurries. Mostly cloudy, with a low around 13. Northwest wind 8 to 13 mph becoming light north northwest after midnight. Chance of precipitation is 20%.
  • Tuesday Partly sunny, with a high near 23. West wind 3 to 6 mph.
  • Tuesday Night A 30 percent chance of snow. Mostly cloudy, with a low around 22.
  • Wednesday A 40 percent chance of snow. Mostly cloudy, with a high near 35.
  • Wednesday Night Snow likely. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
  • Christmas Day A chance of snow. Mostly cloudy, with a high near 27.
  • Thursday Night A chance of snow. Mostly cloudy, with a low around 14.
  • Friday A slight chance of snow. Partly sunny, with a high near 19.