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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13 Miles SSE Lake WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Overnight

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

Low: 14 °F

Sunday

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: 22 °F

Sunday
Night

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 17 °F

Monday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 22 °F

Monday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 13 °F

Tuesday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 28 °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: 34 °F

Wednesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 21 °F

Detailed Forecast

  • Overnight Snow showers likely. Mostly cloudy, with a low around 14. Wind chill values as low as -5. Breezy, with a west wind around 23 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of around an inch possible.
  • Sunday Snow showers likely, mainly before 7am. Cloudy, with a high near 22. Wind chill values as low as -5. Windy, with a west northwest wind 22 to 32 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
  • Sunday Night Snow showers likely, mainly before 2am. Cloudy, with a low around 17. Breezy, with a west southwest wind 17 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
  • Monday Scattered snow showers. Mostly cloudy, with a high near 22. West wind 13 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
  • Monday Night Scattered snow showers. Mostly cloudy, with a low around 13. Southwest wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.
  • Tuesday A 50 percent chance of snow. Mostly cloudy, with a high near 28. West southwest wind 10 to 13 mph.
  • Tuesday Night Snow likely, mainly before 11pm. Mostly cloudy, with a low around 27. West southwest wind 8 to 13 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 21.
  • Thanksgiving Day A 20 percent chance of snow. Partly sunny, with a high near 31.
  • Thursday Night A slight chance of snow. Mostly cloudy, with a low around 17.
  • Friday A slight chance of snow. Partly sunny, with a high near 29.
  • 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 29.