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.
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Current Conditions

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Riverton WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Today

Slight Chance Showers Chance for Measurable Precipitation 10%

Slight Chc
Showers

High: 6 °C

Tonight

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

Low: -6 °C

Monday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 0 °C

Monday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: -12 °C

Tuesday

Mostly Sunny

Mostly
Sunny

High: -2 °C

Tuesday
Night

Mostly Clear

Mostly
Clear

Low: -11 °C

Wednesday

Mostly Sunny

Mostly
Sunny

High: 1 °C

Wednesday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: -7 °C

Christmas
Day

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: -4 °C

Detailed Forecast

  • Today A 10 percent chance of showers after 5pm. Partly sunny, with a high near 6. Windy, with a west wind 10 to 20 km/h increasing to 38 to 48 km/h. Winds could gust as high as 65 km/h.
  • Tonight A slight chance of rain showers before 8pm, then a slight chance of snow. Mostly cloudy, with a low around -6. Windy, with a west northwest wind 55 to 65 km/h decreasing to 40 to 50 km/h. Winds could gust as high as 90 km/h. Chance of precipitation is 20%.
  • Monday A 20 percent chance of snow. Partly sunny, with a high near 0. Breezy, with a north northwest wind 27 to 37 km/h decreasing to 16 to 26 km/h in the afternoon. Winds could gust as high as 50 km/h.
  • Monday Night A 20 percent chance of snow. Mostly cloudy, with a low around -12. West northwest wind 16 to 26 km/h.
  • Tuesday Mostly sunny, with a high near -2. West wind 8 to 11 km/h.
  • Tuesday Night Mostly clear, with a low around -11. Southwest wind 8 to 10 km/h.
  • Wednesday Mostly sunny, with a high near 1. Southwest wind around 8 km/h.
  • Wednesday Night A 50 percent chance of snow. Mostly cloudy, with a low around -7.
  • Christmas Day Snow likely. Mostly cloudy, with a high near -4. Chance of precipitation is 60%.
  • Thursday Night A 40 percent chance of snow. Mostly cloudy, with a low around -16.
  • Friday Partly sunny, with a high near -8.
  • Friday Night Partly cloudy, with a low around -18.
  • Saturday Mostly sunny, with a high near -5.