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 SSE Madison WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Overnight

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 12 °F

Sunday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 24 °F

Sunday
Night

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

Low: 13 °F

Monday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 26 °F

Monday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 10 °F

Tuesday

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: 29 °F

Tuesday
Night

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 25 °F

Wednesday

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

High: 34 °F

Wednesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 16 °F

Detailed Forecast

  • Overnight Snow showers likely, mainly after 2am. Cloudy, with a low around 12. Wind chill values as low as -5. Breezy, with a west wind 14 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of around an inch possible.
  • Sunday A 50 percent chance of snow showers. Cloudy, with a high near 24. Wind chill values as low as -5. Breezy, with a west wind 17 to 23 mph, with gusts as high as 32 mph. New snow accumulation of less than one inch possible.
  • Sunday Night Snow showers likely. Cloudy, with a low around 13. Wind chill values as low as -5. West wind around 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
  • Monday A 50 percent chance of snow showers. Mostly cloudy, with a high near 26. Wind chill values as low as zero. West wind 10 to 14 mph, with gusts as high as 21 mph. New snow accumulation of less than one inch possible.
  • Monday Night A 40 percent chance of snow showers. Mostly cloudy, with a low around 10. Southwest wind around 11 mph. New snow accumulation of less than one inch possible.
  • Tuesday Snow likely. Cloudy, with a high near 29. West southwest wind around 6 mph. Chance of precipitation is 60%.
  • Tuesday Night Snow likely, mainly before 11pm. Mostly cloudy, with a low around 25. Southwest wind around 7 mph. Chance of precipitation is 60%.
  • Wednesday A 40 percent chance of snow. Mostly cloudy, with a high near 34.
  • Wednesday Night A 20 percent chance of snow. Mostly cloudy, with a low around 16.
  • Thanksgiving Day Partly sunny, with a high near 31.
  • Thursday Night Partly cloudy, with a low around 9.
  • Friday Partly sunny, with a high near 30.
  • Friday Night A slight chance of snow. Partly cloudy, with a low around 10.
  • Saturday A slight chance of snow. Partly sunny, with a high near 27.