National Weather Service United States Department of Commerce

Developing storm will spread rain across eastern U.S.; thunderstorms in the Southeast

A storm system developing in the South will move up the Mississippi River Valley on Sunday bringing rainfall to much of the eastern U.S., along with thunderstorms in the southeastern states. Some of the thunderstorms in the Southeast could produce large hail, damaging wind and heavy rain.
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Current Conditions

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4 Miles SW South Entrance WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Overnight

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

Low: 12 °F

Sunday

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: 25 °F

Sunday
Night

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 16 °F

Monday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 26 °F

Monday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 11 °F

Tuesday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 30 °F

Tuesday
Night

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 27 °F

Wednesday

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

High: 37 °F

Wednesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 20 °F

Detailed Forecast

  • Overnight Snow showers likely. Cloudy, with a low around 12. Wind chill values as low as zero. West northwest wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 3 inches possible.
  • Sunday Snow showers likely, mainly before 8am. Cloudy, with a high near 25. Wind chill values as low as zero. Breezy, with a west wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
  • Sunday Night Snow showers likely, mainly before 2am. Cloudy, with a low around 16. Wind chill values as low as zero. Breezy, with a west southwest wind 18 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
  • Monday Scattered snow showers. Mostly cloudy, with a high near 26. Wind chill values as low as zero. West wind 11 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
  • Monday Night Scattered snow showers, mainly after 11pm. Mostly cloudy, with a low around 11. Southwest wind 9 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
  • Tuesday A 50 percent chance of snow. Cloudy, with a high near 30. West southwest wind around 10 mph.
  • Tuesday Night Snow likely, mainly before 11pm. Mostly cloudy, with a low around 27. West southwest wind 7 to 10 mph. Chance of precipitation is 60%.
  • Wednesday A 40 percent chance of snow. Mostly cloudy, with a high near 37.
  • Wednesday Night A 20 percent chance of snow. Mostly cloudy, with a low around 20.
  • Thanksgiving Day A 20 percent chance of snow. Partly sunny, with a high near 34.
  • Thursday Night A slight chance of snow. Mostly cloudy, with a low around 15.
  • Friday Partly sunny, with a high near 32.
  • Friday Night A slight chance of snow. Mostly cloudy, with a low around 16.
  • Saturday A slight chance of snow. Partly sunny, with a high near 32.