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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4 Miles N Hamilton Dome 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: 21 °F

Sunday

Windy

Windy

High: 35 °F

Sunday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 18 °F

Monday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 36 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 15 °F

Tuesday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 39 °F

Tuesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 25 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 42 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 23 °F

Detailed Forecast

  • Tonight A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 21. Windy, with a west northwest wind 34 to 39 mph decreasing to 26 to 31 mph after midnight. Winds could gust as high as 55 mph.
  • Sunday Partly sunny, with a high near 35. Windy, with a northwest wind 26 to 33 mph, with gusts as high as 47 mph.
  • Sunday Night A 20 percent chance of snow showers before 11pm. Partly cloudy, with a low around 18. North northwest wind 5 to 13 mph becoming west after midnight. Winds could gust as high as 20 mph.
  • Monday A 20 percent chance of snow showers after 11am. Partly sunny, with a high near 36. Northwest wind 11 to 15 mph, with gusts as high as 23 mph.
  • Monday Night Partly cloudy, with a low around 15. West northwest wind 6 to 10 mph becoming south southwest in the evening.
  • Tuesday A 20 percent chance of snow. Partly sunny, with a high near 39. Southwest wind around 8 mph.
  • Tuesday Night A 20 percent chance of snow. Mostly cloudy, with a low around 25. West wind around 8 mph.
  • Wednesday Mostly sunny, with a high near 42.
  • Wednesday Night Partly cloudy, with a low around 23.
  • Thanksgiving Day Mostly sunny, with a high near 38.
  • Thursday Night Partly cloudy, with a low around 16.
  • Friday Mostly sunny, with a high near 35.
  • Friday Night Partly cloudy, with a low around 18.
  • Saturday Mostly sunny, with a high near 35.