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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7 Miles NNW Moose WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Overnight

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 27 °F

Saturday

Rain/Snow Likely Chance for Measurable Precipitation 70%

Rain/Snow
Likely

High: 36 °F

Saturday
Night

Snow Chance for Measurable Precipitation 90%

Snow

Low: 8 °F

Sunday

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

High: 24 °F

Sunday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 0 °F

Monday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 24 °F

Monday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 24 °F

Tuesday

Rain/Snow Likely Chance for Measurable Precipitation 70%

Rain/Snow
Likely

High: 37 °F

Tuesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 18 °F

Detailed Forecast

  • Overnight Snow likely. Mostly cloudy, with a low around 27. Windy, with a southwest wind around 31 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 3 inches possible.
  • Saturday Snow likely before 1pm, then rain and snow likely between 1pm and 3pm, then snow likely after 3pm. Cloudy, with a high near 36. Wind chill values as low as -5. Windy, with a south southwest wind 28 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. New snow accumulation of 3 to 7 inches possible.
  • Saturday Night Snow. Low around 8. Wind chill values as low as -15. Breezy, with a southwest wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
  • Sunday A 40 percent chance of snow before 11am. Partly sunny, with a high near 24. Wind chill values as low as -5. West southwest wind 5 to 9 mph becoming calm in the morning. New snow accumulation of less than a half inch possible.
  • Sunday Night Mostly cloudy, with a low around 0. Calm wind becoming southeast around 5 mph after midnight.
  • Monday A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 24. South southwest wind 5 to 10 mph.
  • Monday Night A 40 percent chance of snow. Mostly cloudy, with a low around 24. South southwest wind around 11 mph.
  • Tuesday Rain and snow likely. Mostly cloudy, with a high near 37. Chance of precipitation is 70%.
  • Tuesday Night Mostly cloudy, with a low around 18.
  • Wednesday A 50 percent chance of snow. Mostly cloudy, with a high near 33.
  • Wednesday Night A chance of snow. Mostly cloudy, with a low around 23.
  • Thursday A chance of rain and snow. Mostly cloudy, with a high near 35.
  • Thursday Night A slight chance of snow. Mostly cloudy, with a low around 24.
  • Friday A slight chance of rain and snow. Partly sunny, with a high near 34.