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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Hazardous Weather Conditions

Current Conditions

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3 Miles SSW Powell WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Tonight

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 22 °F

Sunday

Partly Sunny

Partly
Sunny

High: 37 °F

Sunday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 20 °F

Monday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 36 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 17 °F

Tuesday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 41 °F

Tuesday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 25 °F

Wednesday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 39 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 19 °F

Detailed Forecast

  • Tonight A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 22. Windy, with a west wind 25 to 30 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 41 mph.
  • Sunday Partly sunny, with a high near 37. West northwest wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph.
  • Sunday Night A 20 percent chance of snow showers after 11pm. Partly cloudy, with a low around 20. Northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
  • Monday A 20 percent chance of snow showers before 11am. Partly sunny, with a high near 36. Northwest wind 5 to 10 mph.
  • Monday Night Mostly cloudy, with a low around 17. West wind 6 to 14 mph becoming south after midnight. Winds could gust as high as 21 mph.
  • Tuesday A 50 percent chance of snow. Mostly cloudy, with a high near 41. West southwest wind 11 to 13 mph, with gusts as high as 20 mph.
  • Tuesday Night A 40 percent chance of snow. Mostly cloudy, with a low around 25. South southwest wind around 6 mph.
  • Wednesday A 20 percent chance of snow. Partly sunny, with a high near 39.
  • Wednesday Night Partly cloudy, with a low around 19.
  • Thanksgiving Day Mostly sunny, with a high near 36.
  • Thursday Night Partly cloudy, with a low around 16.
  • Friday Mostly sunny, with a high near 33.
  • Friday Night Partly cloudy, with a low around 13.
  • Saturday Mostly sunny, with a high near 31.