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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5 Miles NE South Pass City WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Overnight

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 15 °F

Sunday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 24 °F

Sunday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 15 °F

Monday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 26 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 11 °F

Tuesday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 34 °F

Tuesday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 26 °F

Wednesday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 38 °F

Wednesday
Night

Breezy

Breezy

Low: 23 °F

Detailed Forecast

  • Overnight A 20 percent chance of snow showers. Mostly cloudy, with a low around 15. Wind chill values as low as -5. Blustery, with a west northwest wind around 22 mph, with gusts as high as 31 mph.
  • Sunday A 20 percent chance of snow showers after 2pm. Partly sunny, with a high near 24. Wind chill values as low as zero. Blustery, with a northwest wind 17 to 22 mph, with gusts as high as 31 mph.
  • Sunday Night Scattered snow showers, mainly before 11pm. Mostly cloudy, with a low around 15. Wind chill values as low as zero. West wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
  • Monday A 20 percent chance of snow showers. Partly sunny, with a high near 26. Wind chill values as low as zero. North northwest wind 10 to 17 mph, with gusts as high as 26 mph.
  • Monday Night Mostly cloudy, with a low around 11. West wind 9 to 14 mph, with gusts as high as 21 mph.
  • Tuesday A 20 percent chance of snow. Partly sunny, with a high near 34. Breezy, with a west wind around 21 mph, with gusts as high as 31 mph.
  • Tuesday Night A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 26. Breezy, with a west wind 21 to 23 mph, with gusts as high as 34 mph.
  • Wednesday A 20 percent chance of snow. Mostly sunny, with a high near 38. Breezy.
  • Wednesday Night Partly cloudy, with a low around 23. Breezy.
  • Thanksgiving Day Mostly sunny, with a high near 36.
  • Thursday Night Partly cloudy, with a low around 18.
  • Friday Mostly sunny, with a high near 34.
  • Friday Night Partly cloudy, with a low around 19.
  • Saturday Mostly sunny, with a high near 33.