National Weather Service United States Department of Commerce

Winter storm for Rockies and High Plains

A storm system over the northern Rockies will move eastward towards the High Plains by Christmas Day. The system will produce snow over parts of the Great Basin, Rockies and High Plains on Christmas. Some of the snow will be heavy, with hazardous travel conditions. Winter Storm Warnings and Winter Weather Advisories are in effect in these areas.
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Current Conditions

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Old Faithful WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Overnight

Snow Chance for Measurable Precipitation 100%

Snow

Low: 18 °F

Christmas
Day

Snow Chance for Measurable Precipitation 100%

Snow

High: 20 °FFalling Temperatures

Thursday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: -5 °F

Friday

Mostly Cloudy

Mostly
Cloudy

High: 14 °F

Friday
Night

Mostly Cloudy

Mostly
Cloudy

Low: -8 °F

Saturday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 16 °F

Saturday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 11 °F

Sunday

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: 21 °F

Sunday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 6 °F

Detailed Forecast

  • Overnight Snow. Low around 18. Northwest wind 5 to 10 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 7 inches possible.
  • Christmas Day Snow. Temperature rising to near 20 by noon, then falling to around 12 during the remainder of the day. Wind chill values as low as -5. West northwest wind around 15 mph becoming north northeast in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
  • Thursday Night A 50 percent chance of snow, mainly before 11pm. Cloudy, with a low around -5. Wind chill values as low as -20. North northeast wind 6 to 15 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.
  • Friday Mostly cloudy, with a high near 14. Wind chill values as low as -15. North wind 3 to 6 mph.
  • Friday Night Mostly cloudy, with a low around -8. North northwest wind 5 to 7 mph becoming calm.
  • Saturday A 30 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 16. South southwest wind 6 to 10 mph.
  • Saturday Night A 50 percent chance of snow. Cloudy, with a low around 11. South southwest wind around 5 mph.
  • Sunday Snow likely. Cloudy, with a high near 21. Chance of precipitation is 60%.
  • Sunday Night A 50 percent chance of snow. Cloudy, with a low around 6.
  • Monday A 20 percent chance of snow. Partly sunny and cold, with a high near 7.
  • Monday Night Partly cloudy, with a low around -12.
  • Tuesday Mostly sunny and cold, with a high near 6.
  • Tuesday Night Partly cloudy, with a low around -6.
  • Wednesday Partly sunny, with a high near 14.