National Weather Service United States Department of Commerce

Heavy rain possible for parts of the northern Rockies & Plains; Severe storms for the Upper Midwest

An unseasonably strong storm system in the northwest U.S. will bring showers and thunderstorms, some heavy, to parts of the northern Rockies and northern Plains through Saturday. Isolated flash floods will be possible in these areas. Some of the storms could be severe in parts of the Dakotas into Minnesota, with large hail and damaging winds.
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Hazardous Weather Conditions

Current Conditions

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20 Miles ENE Bondurant WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Overnight

Chance Rain/Snow Chance for Measurable Precipitation 40%

Chance
Rain/Snow

Low: 35 °F

Saturday

Chance Rain/Snow Chance for Measurable Precipitation 50%

Chance
Rain/Snow

High: 48 °F

Saturday
Night

Chance Rain/Snow Chance for Measurable Precipitation 50%

Chance
Rain/Snow

Low: 35 °F

Sunday

Scattered Showers Chance for Measurable Precipitation 30%

Scattered
Showers

High: 53 °F

Sunday
Night

Breezy

Breezy

Low: 31 °F

Monday

Scattered Showers Chance for Measurable Precipitation 40%

Scattered
Showers

High: 56 °F

Monday
Night

Chance Rain/Snow Chance for Measurable Precipitation 30%

Chance
Rain/Snow

Low: 34 °F

Tuesday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 53 °F

Tuesday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 33 °F

Detailed Forecast

  • Overnight Scattered rain and snow showers. Mostly cloudy, with a low around 35. Southwest wind around 8 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
  • Saturday Scattered rain and snow showers before 9am, then scattered rain showers. Some thunder is also possible. Partly sunny, with a high near 48. West northwest wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
  • Saturday Night Scattered rain showers before midnight, then scattered rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 35. Breezy, with a west wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
  • Sunday Scattered showers, mainly after noon. Partly sunny, with a high near 53. West wind 10 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
  • Sunday Night Partly cloudy, with a low around 31. Breezy, with a south wind 8 to 13 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 29 mph.
  • Monday Isolated showers, then scattered showers and thunderstorms after noon. Partly sunny, with a high near 56. Breezy, with a south wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
  • Monday Night A slight chance of rain showers before midnight, then scattered rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 34. Breezy, with a south southeast wind 8 to 13 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 30%.
  • Tuesday A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 53.
  • Tuesday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 33.
  • Wednesday Mostly sunny, with a high near 63.
  • Wednesday Night Mostly clear, with a low around 35.
  • Thursday Mostly sunny, with a high near 65.
  • Thursday Night Mostly clear, with a low around 36.
  • Friday Mostly sunny, with a high near 65.