National Weather Service United States Department of Commerce

Severe thunderstorms possible this evening and tonight

Large hail and damaging winds may occur from eastern Montana into North Dakota. Strong storms are also possible over the southern mid-Atlantic states. Hot weather continues across the southern Plains to Arizona.
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Current Conditions

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Casper WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Tonight

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 16 °C

Friday

Breezy

Breezy

High: 34 °C

Friday
Night

Clear

Clear

Low: 14 °C

Saturday

Sunny

Sunny

High: 31 °C

Saturday
Night

Clear

Clear

Low: 11 °C

Sunday

Sunny

Sunny

High: 29 °C

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 15 °C

Monday

Sunny

Sunny

High: 30 °C

Monday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 16 °C

Detailed Forecast

  • Tonight Isolated showers and thunderstorms before 9pm. Some of the storms could produce gusty winds. Partly cloudy, with a low around 16. Breezy, with a southwest wind 30 to 35 km/h decreasing to 23 to 28 km/h after midnight. Winds could gust as high as 55 km/h. Chance of precipitation is 20%.
  • Friday Sunny, with a high near 34. Breezy, with a west southwest wind 21 to 26 km/h increasing to 30 to 35 km/h in the afternoon. Winds could gust as high as 55 km/h.
  • Friday Night Clear, with a low around 14. West wind 21 to 26 km/h decreasing to 8 to 13 km/h after midnight.
  • Saturday Sunny, with a high near 31. Southwest wind 10 to 15 km/h becoming west northwest 21 to 26 km/h in the morning. Winds could gust as high as 37 km/h.
  • Saturday Night Clear, with a low around 11. Northwest wind 18 to 23 km/h becoming east 5 to 10 km/h after midnight.
  • Sunday Sunny, with a high near 29. Southeast wind 8 to 11 km/h becoming east northeast in the afternoon.
  • Sunday Night Mostly clear, with a low around 15. East northeast wind around 18 km/h.
  • Monday Sunny, with a high near 30.
  • Monday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 16.
  • Tuesday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 28.
  • Tuesday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 14.
  • Wednesday Mostly sunny, with a high near 28.
  • Wednesday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 14.
  • Thursday Mostly sunny, with a high near 28.