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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5 Miles NNW Shoshoni WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Today

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

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: 49 °F

Monday

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

High: 72 °F

Monday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 52 °F

Tuesday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 70 °F

Tuesday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 53 °F

Wednesday

Sunny

Sunny

High: 74 °F

Detailed Forecast

  • Today Isolated showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 65. West northwest wind 7 to 13 mph. Chance of precipitation is 20%.
  • Tonight Scattered showers and thunderstorms. Mostly cloudy, with a low around 47. Breezy, with a west wind 14 to 22 mph, with gusts as high as 31 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 49. Breezy, with a southwest wind 13 to 22 mph, with gusts as high as 31 mph.
  • Monday Isolated showers and thunderstorms after noon. Mostly sunny, with a high near 72. South southwest wind 15 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 52. 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 70. North wind around 6 mph. Chance of precipitation is 30%.
  • Tuesday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 53.
  • Wednesday Sunny, with a high near 74.
  • Wednesday Night Mostly clear, with a low around 56.
  • Thursday Sunny, with a high near 84.
  • Thursday Night Mostly clear, with a low around 58.
  • Friday Sunny, with a high near 85.