National Weather Service United States Department of Commerce

Arctic air to drop temperatures across the northern Plain and northern Rockies; will bring snow to the Intermountain West

An arctic front is forecast to plunge through the northern Plains and northern Rockies on Saturday bringing a drastic drop in temperatures across these areas with a burst of snow over much of the Intermountain Region. Arctic air will also filter into the Pacific Northwest bringing with it snow showers and subfreezing low temperatures.
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Current Conditions

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20 Miles N Wapiti WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Overnight

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 26 °F

Saturday

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: 34 °FFalling Temperatures

Saturday
Night

Snow Chance for Measurable Precipitation 80%

Snow

Low: 3 °F

Sunday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 11 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 2 °F

Monday

Blowing Snow Chance for Measurable Precipitation 20%

Blowing
Snow

High: 24 °F

Monday
Night

Blowing Snow Chance for Measurable Precipitation 40%

Blowing
Snow

Low: 23 °F

Tuesday

Blowing Snow Chance for Measurable Precipitation 30%

Blowing
Snow

High: 31 °F

Tuesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 16 °F

Detailed Forecast

  • Overnight A 50 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 26. Windy, with a west southwest wind 32 to 36 mph, with gusts as high as 49 mph. Total nighttime snow accumulation of less than one inch possible.
  • Saturday A chance of snow before 11am, then snow likely after 11am. Mostly cloudy, with a temperature rising to near 34 by noon, then falling to around 19 during the remainder of the day. Windy, with a west wind 23 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.
  • Saturday Night Snow with areas of blowing snow before 11pm, then snow likely after 11pm. Low around 3. Wind chill values as low as -10. Breezy, with a northwest wind 16 to 21 mph decreasing to 7 to 12 mph in the evening. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
  • Sunday A 30 percent chance of snow before 11am. Partly sunny, with a high near 11. Wind chill values as low as -15. West wind 9 to 14 mph, with gusts as high as 21 mph.
  • Sunday Night Partly cloudy, with a low around 2. Southwest wind 9 to 13 mph, with gusts as high as 20 mph.
  • Monday Areas of blowing snow and a slight chance of snow after 11am. Partly sunny, with a high near 24. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
  • Monday Night Areas of blowing snow and a chance of snow. Mostly cloudy, with a low around 23. Windy, with a west southwest wind 30 to 32 mph, with gusts as high as 48 mph. Chance of precipitation is 40%.
  • Tuesday Areas of blowing snow and a chance of snow. Partly sunny, with a high near 31. Breezy. Chance of precipitation is 30%.
  • Tuesday Night A 20 percent chance of snow. Mostly cloudy, with a low around 16.
  • Wednesday A 20 percent chance of snow. Partly sunny, with a high near 29.
  • Wednesday Night Areas of blowing snow and a slight chance of snow. Mostly cloudy, with a low around 22.
  • Thursday Areas of blowing snow and a slight chance of snow. Partly sunny, with a high near 32.
  • Thursday Night Areas of blowing snow and a slight chance of snow. Mostly cloudy, with a low around 22. Breezy.
  • Friday Areas of blowing snow and a slight chance of snow. Partly sunny, with a high near 30.