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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Casper WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Today

Breezy

Breezy

High: 34 °F

Tonight

Breezy

Breezy

Low: 22 °F

Monday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 34 °F

Monday
Night

Breezy

Breezy

Low: 17 °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: 29 °F

Wednesday

Breezy

Breezy

High: 48 °F

Wednesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 28 °F

Thanksgiving
Day

Partly Sunny

Partly
Sunny

High: 38 °F

Detailed Forecast

  • Today Mostly sunny, with a high near 34. Breezy, with a west northwest wind 15 to 21 mph, with gusts as high as 29 mph.
  • Tonight Partly cloudy, with a low around 22. Breezy, with a west southwest wind 18 to 28 mph, with gusts as high as 39 mph.
  • Monday A 20 percent chance of snow showers. Partly sunny, with a high near 34. Breezy, with a west northwest wind 16 to 20 mph, with gusts as high as 28 mph.
  • Monday Night Mostly cloudy, with a low around 17. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 29 mph.
  • Tuesday A 20 percent chance of snow after 11am. Partly sunny, with a high near 39. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 41 mph.
  • Tuesday Night A 20 percent chance of snow. Mostly cloudy, with a low around 29. Breezy, with a west southwest wind 17 to 22 mph, with gusts as high as 31 mph.
  • Wednesday Partly sunny, with a high near 48. Breezy, with a west southwest wind 15 to 20 mph increasing to 21 to 26 mph in the morning. Winds could gust as high as 40 mph.
  • Wednesday Night Mostly cloudy, with a low around 28.
  • Thanksgiving Day Partly sunny, with a high near 38.
  • Thursday Night Mostly cloudy, with a low around 20.
  • Friday Mostly sunny, with a high near 36.
  • Friday Night Partly cloudy, with a low around 19.
  • Saturday Mostly sunny, with a high near 43.