National Weather Service United States Department of Commerce

Arctic Air Will Move Into U.S. This Week

Arctic air will move back into the central Plains, Great Lake States and Western U.S. this week. Winter Storm Warnings, Winter Weather Advisories and Wind Chill Advisories are in effect in many areas. Recent heavy rains across the lower Mississippi and Tennessee Valleys will shift into the Carolinas Monday. Rivers that came up over the weekend will recede across portions of the South.
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Current Conditions

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19 Miles NNW Wapiti WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Tonight

Snow Chance for Measurable Precipitation 100%

Snow

Low: -2 °F

Monday

Snow Chance for Measurable Precipitation 100%

Snow

High: 4 °FFalling Temperatures

Monday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: -19 °F

Tuesday

Cold

Cold

High: 0 °F

Tuesday
Night

Mostly Clear

Mostly
Clear

Low: -15 °F

Wednesday

Sunny

Sunny

High: 20 °F

Wednesday
Night

Mostly Clear

Mostly
Clear

Low: 2 °F

New Year's
Day

Sunny

Sunny

High: 26 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 8 °F

Detailed Forecast

  • Tonight Snow. Low around -2. Wind chill values as low as -15. East southeast wind 3 to 8 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than one inch possible.
  • Monday Snow. Temperature rising to near 4 by noon, then falling to around -7 during the remainder of the day. Wind chill values as low as -20. East wind 5 to 9 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
  • Monday Night A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around -19. Wind chill values as low as -30. East wind 5 to 7 mph becoming calm in the evening.
  • Tuesday Mostly sunny and cold, with a high near 0. Wind chill values as low as -20. Calm wind becoming east northeast around 5 mph in the afternoon.
  • Tuesday Night Mostly clear, with a low around -15. West wind 5 to 8 mph.
  • Wednesday Sunny, with a high near 20. South southwest wind 5 to 8 mph.
  • Wednesday Night Mostly clear, with a low around 2. West southwest wind around 7 mph.
  • New Year's Day Sunny, with a high near 26.
  • Thursday Night Partly cloudy, with a low around 8.
  • Friday A 20 percent chance of snow. Partly sunny, with a high near 23.
  • Friday Night A chance of snow. Mostly cloudy, with a low around 9.
  • Saturday A slight chance of snow. Mostly cloudy, with a high near 21.
  • Saturday Night A slight chance of snow. Mostly cloudy, with a low around 7.
  • Sunday A slight chance of snow. Mostly cloudy, with a high near 18.