National Weather Service United States Department of Commerce

Heavy rain possible for the northern Rockies & Plains; severe storms for the Northern Plains

An unseasonably strong storm system in the northwest U.S. will bring showers and thunderstorms, with locally heavy rainfall, to the northern Rockies and northern Plains. Isolated flash floods will be possible in these areas. Some storms could become severe in parts of the Dakotas into Minnesota, with large hail and damaging winds. In addition, temperatures will be 10 to 20 degrees below average.
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Hazardous Weather Conditions

Current Conditions

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9 Miles WNW Shoshoni WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

This
Afternoon

Scattered Showers Chance for Measurable Precipitation 30%

Scattered
Showers

High: 65 °F

Tonight

Scattered Showers Chance for Measurable Precipitation 40%

Scattered
Showers

Low: 47 °F

Sunday

Breezy

Breezy

High: 66 °F

Sunday
Night

Breezy

Breezy

Low: 48 °F

Monday

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

High: 71 °F

Monday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 51 °F

Tuesday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 69 °F

Tuesday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 51 °F

Wednesday

Sunny

Sunny

High: 74 °F

Detailed Forecast

  • This Afternoon Scattered showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 65. West northwest wind 7 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
  • Tonight Scattered showers and thunderstorms. Mostly cloudy, with a low around 47. Breezy, with a west wind 15 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.
  • Sunday Mostly sunny, with a high near 66. Breezy, with a west northwest wind 13 to 21 mph, with gusts as high as 29 mph.
  • Sunday Night Partly cloudy, with a low around 48. Breezy, with a south southwest wind 11 to 21 mph, with gusts as high as 29 mph.
  • Monday Isolated showers and thunderstorms after noon. Mostly sunny, with a high near 71. South southwest wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
  • Monday Night A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Southeast wind 11 to 17 mph becoming west southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
  • Tuesday A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 69. North northeast wind around 5 mph. Chance of precipitation is 30%.
  • Tuesday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 51.
  • Wednesday Sunny, with a high near 74.
  • Wednesday Night Mostly clear, with a low around 54.
  • Thursday Sunny, with a high near 84.
  • Thursday Night Mostly clear, with a low around 57.
  • Friday Sunny, with a high near 85.