National Weather Service United States Department of Commerce

Cold Front Crossing the Central U.S.

A cold front over the Northern Rockies will move eastward to the Upper Mississippi Valley/Central Plains by Monday. Rain will develop along the boundary over the Upper Midwest and move into the Upper Great Lakes by Monday. Some of the thunderstorms could become severe in portions of Texas through Monday.
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Hazardous Weather Conditions

Current Conditions

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20 Miles N Arminto WY

7 Day Forecast

Riverton, WY

NWS Weather Forecast Office

Today

Mostly Sunny

Mostly
Sunny

High: 55 °F

Tonight

Breezy

Breezy

Low: 38 °F

Tuesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 61 °F

Tuesday
Night

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

Low: 33 °F

Wednesday

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

High: 41 °F

Wednesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 25 °F

Thursday

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

High: 44 °F

Thursday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 28 °F

Friday

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

High: 49 °F

Detailed Forecast

  • Today Mostly sunny, with a high near 55. Southwest wind around 7 mph.
  • Tonight Partly cloudy, with a low around 38. Breezy, with a south southwest wind 8 to 13 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 28 mph.
  • Tuesday A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 61. Windy, with a west southwest wind 20 to 25 mph increasing to 27 to 32 mph in the afternoon. Winds could gust as high as 45 mph.
  • Tuesday Night A slight chance of rain showers before midnight, then a slight chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 33. Windy, with a southwest wind 28 to 33 mph, with gusts as high as 47 mph. Chance of precipitation is 20%.
  • Wednesday A slight chance of snow showers before noon, then a slight chance of rain and snow showers. Partly sunny, with a high near 41. Windy, with a west wind 30 to 40 mph, with gusts as high as 55 mph. Chance of precipitation is 20%.
  • Wednesday Night A 20 percent chance of snow showers. Mostly cloudy, with a low around 25. Breezy, with a west wind around 26 mph, with gusts as high as 37 mph.
  • Thursday A slight chance of snow showers before noon, then a slight chance of rain showers. Mostly sunny, with a high near 44. Windy, with a west wind 26 to 31 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
  • Thursday Night A 20 percent chance of snow showers. Mostly cloudy, with a low around 28. Blustery.
  • Friday A slight chance of rain and snow showers. Partly sunny, with a high near 49. Chance of precipitation is 20%.
  • Friday Night A slight chance of rain and snow showers. Mostly cloudy, with a low around 31. Breezy. Chance of precipitation is 20%.
  • Saturday A chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a high near 49. Breezy.
  • Saturday Night A chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 28. Breezy.
  • Sunday A chance of rain and snow showers. Mostly cloudy, with a high near 38.

 

Additional Forecasts and Information

Zone Area Forecast for Bighorn Mountains Southeast, WY