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.
Read More...

Current Conditions

En Español

Share |

Mt Washburn WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Overnight

Snow Chance for Measurable Precipitation 90%

Snow

Low: 23 °F

Sunday

Snow Chance for Measurable Precipitation 100%

Snow

High: 31 °F

Sunday
Night

Snow Chance for Measurable Precipitation 90%

Snow

Low: 18 °F

Monday

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: 23 °F

Monday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 5 °F

Tuesday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 20 °F

Tuesday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 16 °F

Wednesday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 27 °F

Wednesday
Night

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

Low: 15 °F

Detailed Forecast

  • Overnight Snow with areas of blowing snow. Low around 23. Windy, with a west southwest wind around 31 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.
  • Sunday Snow with areas of blowing snow. High near 31. Windy, with a west southwest wind 25 to 31 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
  • Sunday Night Snow with areas of blowing snow. Low around 18. Blustery, with a west northwest wind 23 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
  • Monday Snow showers likely with areas of blowing snow before 11am, then a chance of snow showers after 11am. Mostly cloudy, with a high near 23. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
  • Monday Night A 30 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 5. West northwest wind 6 to 13 mph.
  • Tuesday A 20 percent chance of snow showers. Mostly cloudy, with a high near 20. West wind 5 to 9 mph.
  • Tuesday Night A 30 percent chance of snow. Mostly cloudy, with a low around 16. Southwest wind around 8 mph.
  • Wednesday A 50 percent chance of snow. Mostly cloudy, with a high near 27.
  • Wednesday Night Snow likely. Mostly cloudy, with a low around 15. Chance of precipitation is 70%.
  • Christmas Day Snow likely. Mostly cloudy, with a high near 17. Chance of precipitation is 60%.
  • Thursday Night A chance of snow. Mostly cloudy, with a low around 5.
  • Friday A slight chance of snow. Partly sunny, with a high near 13.
  • Friday Night A slight chance of snow. Mostly cloudy, with a low around 7.
  • Saturday A slight chance of snow. Mostly cloudy, with a high near 16.