National Weather Service United States Department of Commerce

Stormy weather expected for the Pacific Northwest and Intermountain West

An impressive frontal system will continue moving through the Pacific Northwest and the Intermountain West and slowly make its way south. Behind it very cold Arctic air will follow. Higher elevation snow and moderate rainfall can be expected throughout these regions along with strong winds.
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Current Conditions

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3 Miles NNW Yellowstone National Park WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Overnight

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 24 °F

Friday

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

High: 36 °F

Friday
Night

Snow Chance for Measurable Precipitation 80%

Snow

Low: 24 °F

Saturday

Snow Chance for Measurable Precipitation 90%

Snow

High: 30 °F

Saturday
Night

Snow Chance for Measurable Precipitation 90%

Snow

Low: -3 °F

Sunday

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

High: 15 °F

Sunday
Night

Mostly Cloudy

Mostly
Cloudy

Low: -3 °F

Monday

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

High: 22 °F

Monday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 15 °F

Detailed Forecast

  • Overnight A 20 percent chance of snow. Mostly cloudy, with a low around 24. Breezy, with a southwest wind around 22 mph, with gusts as high as 34 mph.
  • Friday A slight chance of snow showers before 1pm, then a slight chance of rain and snow showers between 1pm and 4pm, then a slight chance of snow showers after 4pm. Partly sunny, with a high near 36. Breezy, with a southwest wind 24 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.
  • Friday Night Snow, mainly after 11pm. Low around 24. Breezy, with a west wind 25 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
  • Saturday Snow. High near 30. Wind chill values as low as -10. Breezy, with a west southwest wind 23 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
  • Saturday Night Snow. Low around -3. Breezy, with a west southwest wind 16 to 21 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
  • Sunday A 40 percent chance of snow, mainly before 11am. Partly sunny, with a high near 15. Northwest wind 3 to 6 mph.
  • Sunday Night Mostly cloudy, with a low around -3. Light and variable wind.
  • Monday A 40 percent chance of snow. Partly sunny, with a high near 22.
  • Monday Night A 50 percent chance of snow. Mostly cloudy, with a low around 15.
  • Tuesday A 30 percent chance of snow. Mostly cloudy, with a high near 26.
  • Tuesday Night A slight chance of snow. Mostly cloudy, with a low around 12.
  • Wednesday A chance of snow. Partly sunny, with a high near 28.
  • Wednesday Night A chance of snow. Mostly cloudy, with a low around 16.
  • Thursday A chance of snow. Mostly cloudy, with a high near 30.