National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. this weekend

A Pacific storm system will continue to impact the West Coast through Sunday. Heavy rainfall could lead to flash flooding, river and small stream flooding, as well as mudslides and debris flows, especially over burn scars. At higher elevations, strong winds and heavy 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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Moose WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Tonight

Snow Chance for Measurable Precipitation 90%

Snow

Low: -3 °C

Sunday

Snow Chance for Measurable Precipitation 100%

Snow

High: 2 °C

Sunday
Night

Snow Chance for Measurable Precipitation 90%

Snow

Low: -6 °C

Monday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: -2 °C

Monday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: -19 °C

Tuesday

Partly Sunny

Partly
Sunny

High: -4 °C

Tuesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: -8 °C

Wednesday

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

High: -1 °C

Wednesday
Night

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: -7 °C

Detailed Forecast

  • Tonight Snow. Low around -3. Breezy, with a southwest wind 23 to 28 km/h increasing to 32 to 37 km/h after midnight. Winds could gust as high as 50 km/h. Chance of precipitation is 90%. Total nighttime snow accumulation of 6 to 10 centimeters possible.
  • Sunday Snow with areas of blowing snow. High near 2. Breezy, with a southwest wind 32 to 42 km/h, with gusts as high as 60 km/h. Chance of precipitation is 100%. New snow accumulation of 12 to 18 centimeters possible.
  • Sunday Night Snow. Low around -6. Breezy, with a southwest wind 29 to 34 km/h decreasing to 18 to 23 km/h in the evening. Winds could gust as high as 50 km/h. Chance of precipitation is 90%. New snow accumulation of 3 to 5 centimeters possible.
  • Monday A 50 percent chance of snow showers. Mostly cloudy, with a high near -2. Northwest wind 16 to 24 km/h, with gusts as high as 34 km/h. New snow accumulation of 1 to 3 centimeters possible.
  • Monday Night A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around -19. West northwest wind 18 to 23 km/h becoming southwest 5 to 10 km/h after midnight.
  • Tuesday Partly sunny, with a high near -4. West wind 5 to 10 km/h.
  • Tuesday Night A 20 percent chance of snow. Mostly cloudy, with a low around -8. West southwest wind 8 to 10 km/h.
  • Wednesday A 40 percent chance of snow. Mostly cloudy, with a high near -1.
  • Wednesday Night Snow likely. Mostly cloudy, with a low around -7. Chance of precipitation is 60%.
  • Christmas Day A 50 percent chance of snow. Mostly cloudy, with a high near -4.
  • Thursday Night A chance of snow. Mostly cloudy, with a low around -12.
  • Friday Occasional flurries. Partly sunny, with a high near -9.
  • Friday Night Occasional snow showers. Mostly cloudy, with a low around -11.
  • Saturday A slight chance of snow. Mostly cloudy, with a high near -7.