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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9 Miles W Wapiti WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Tonight

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 22 °F

Sunday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 31 °F

Sunday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 23 °F

Monday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 31 °F

Monday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 19 °F

Tuesday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 38 °F

Tuesday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 31 °F

Wednesday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 42 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 25 °F

Detailed Forecast

  • Tonight A 40 percent chance of snow. Cloudy, with a low around 22. Windy, with a west wind 26 to 36 mph, with gusts as high as 49 mph. Total nighttime snow accumulation of less than a half inch possible.
  • Sunday A 30 percent chance of snow showers, mainly before 8am. Mostly cloudy, with a high near 31. Breezy, with a west wind 21 to 26 mph, with gusts as high as 38 mph.
  • Sunday Night Scattered snow showers. Mostly cloudy, with a low around 23. Breezy, with a west wind 20 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
  • Monday A 30 percent chance of snow showers, mainly before 11am. Partly sunny, with a high near 31. Breezy, with a west wind 18 to 21 mph, with gusts as high as 31 mph.
  • Monday Night A 20 percent chance of snow showers. Mostly cloudy, with a low around 19. Breezy, with a west wind 16 to 21 mph, with gusts as high as 31 mph.
  • Tuesday A 50 percent chance of snow. Mostly cloudy, with a high near 38. West wind 14 to 16 mph, with gusts as high as 24 mph.
  • Tuesday Night A 40 percent chance of snow. Mostly cloudy, with a low around 31. West wind around 16 mph, with gusts as high as 24 mph.
  • Wednesday A 20 percent chance of snow. Partly sunny, with a high near 42. Breezy.
  • Wednesday Night Partly cloudy, with a low around 25.
  • Thanksgiving Day Mostly sunny, with a high near 39.
  • Thursday Night Partly cloudy, with a low around 18.
  • Friday Mostly sunny, with a high near 36.
  • Friday Night Partly cloudy, with a low around 18.
  • Saturday Mostly sunny, with a high near 35.