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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20 Miles N Arminto WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Overnight

Clear

Clear

Low: 50 °F

Friday

Breezy

Breezy

High: 76 °F

Friday
Night

Clear

Clear

Low: 49 °F

Saturday

Sunny

Sunny

High: 72 °F

Saturday
Night

Clear

Clear

Low: 47 °F

Sunday

Sunny

Sunny

High: 73 °F

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 51 °F

Monday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 74 °F

Monday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 52 °F

Detailed Forecast

  • Overnight Clear, with a low around 50. Northwest wind around 8 mph.
  • Friday Sunny, with a high near 76. Breezy, with a south wind 7 to 12 mph becoming west southwest 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.
  • Friday Night Clear, with a low around 49. Northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.
  • Saturday Sunny, with a high near 72. West southwest wind 6 to 13 mph, with gusts as high as 20 mph.
  • Saturday Night Clear, with a low around 47. North northwest wind 5 to 11 mph becoming west southwest after midnight.
  • Sunday Sunny, with a high near 73. Southwest wind around 5 mph becoming calm in the morning.
  • Sunday Night Mostly clear, with a low around 51. East wind around 11 mph.
  • Monday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 74.
  • Monday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 52.
  • Tuesday A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 70.
  • Tuesday Night A chance of showers and thunderstorms. Partly cloudy, with a low around 49.
  • Wednesday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 69.
  • Wednesday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 50.
  • Thursday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 70.