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 Pacific Northwest through late 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 |

2 Miles SSE Diamondville WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

This
Afternoon

Rain/Snow Likely Chance for Measurable Precipitation 70%

Rain/Snow
Likely

High: 40 °F

Tonight

Rain/Snow Likely Chance for Measurable Precipitation 70%

Rain/Snow
Likely

Low: 27 °F

Monday

Blowing Snow Chance for Measurable Precipitation 50%

Blowing
Snow

High: 33 °F

Monday
Night

Blowing Snow Chance for Measurable Precipitation 20%

Blowing
Snow

Low: 12 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 30 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 19 °F

Wednesday

Partly Sunny

Partly
Sunny

High: 38 °F

Wednesday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 22 °F

Christmas
Day

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 28 °F

Detailed Forecast

  • This Afternoon Rain likely before 4pm, then rain and snow likely. Cloudy, with a high near 40. Windy, with a west wind 32 to 34 mph, with gusts as high as 48 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 2 inches possible.
  • Tonight Rain and snow likely, becoming all snow after 8pm. Cloudy, with a low around 27. Windy, with a west wind 26 to 34 mph, with gusts as high as 48 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
  • Monday Areas of blowing snow and a chance of snow. Mostly cloudy, with a high near 33. Breezy, with a west northwest wind 23 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
  • Monday Night Areas of blowing snow and a slight chance of snow before 11pm. Mostly cloudy, with a low around 12. Blustery, with a west northwest wind 19 to 24 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 20%.
  • Tuesday Mostly sunny, with a high near 30. West southwest wind 9 to 15 mph, with gusts as high as 23 mph.
  • Tuesday Night Partly cloudy, with a low around 19. West wind around 10 mph.
  • Wednesday Partly sunny, with a high near 38. West southwest wind 10 to 13 mph, with gusts as high as 20 mph.
  • Wednesday Night A 40 percent chance of snow. Mostly cloudy, with a low around 22.
  • Christmas Day A 50 percent chance of snow. Mostly cloudy, with a high near 28. Breezy.
  • Thursday Night A 40 percent chance of snow. Mostly cloudy, with a low around 9.
  • Friday A slight chance of snow. Partly sunny, with a high near 22.
  • Friday Night Partly cloudy, with a low around 4.
  • Saturday Mostly sunny, with a high near 31.