National Weather Service United States Department of Commerce

Severe weather possible from Upper Midwest across Ohio Valley and into central Appalachians, as well as for parts of Mid-Atlantic and Desert Southwest

Scattered severe thunderstorms are expected to develop Thursday afternoon and evening over parts of the Upper Midwest and Ohio Valley and into the central Appalachians, as well as across parts of the Mid-Atlantic and the Desert Southwest. Damaging wind and large hail will be the main threats for all three areas.
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Current Conditions

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Mt Washburn WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Tonight

Scattered Thunderstorms Chance for Measurable Precipitation 50%

Scattered
Thunderstorms

Low: 40 °F

Friday

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

High: 57 °F

Friday
Night

Chance Rain/Snow Chance for Measurable Precipitation 50%

Chance
Rain/Snow

Low: 38 °F

Saturday

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

High: 53 °F

Saturday
Night

Chance Rain/Snow Chance for Measurable Precipitation 50%

Chance
Rain/Snow

Low: 35 °F

Sunday

Chance Rain/Snow Chance for Measurable Precipitation 40%

Chance
Rain/Snow

High: 55 °F

Sunday
Night

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

Low: 36 °F

Monday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 58 °F

Monday
Night

Chance Rain/Snow Chance for Measurable Precipitation 30%

Chance
Rain/Snow

Low: 37 °F

Detailed Forecast

  • Tonight Scattered showers and thunderstorms. Mostly cloudy, with a low around 40. Light and variable wind becoming west 5 to 8 mph after midnight. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Friday Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 57. West wind 8 to 10 mph becoming east in the morning. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
  • Friday Night A chance of rain showers before midnight, then a chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 38. South southeast wind 6 to 10 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
  • Saturday A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 53. South southeast wind 5 to 9 mph becoming west in the afternoon.
  • Saturday Night A chance of rain showers before midnight, then a chance of snow showers. Cloudy, with a low around 35. West northwest wind 8 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
  • Sunday A chance of snow showers before noon, then a chance of rain showers. Some thunder is also possible. Mostly cloudy, with a high near 55. West wind 7 to 10 mph. Chance of precipitation is 40%.
  • Sunday 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 36. South southwest wind 6 to 8 mph. Chance of precipitation is 20%.
  • Monday A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 58.
  • Monday Night A chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.
  • Tuesday A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 62.
  • Tuesday Night Partly cloudy, with a low around 39.
  • Wednesday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 66.
  • Wednesday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 40.
  • Thursday A slight chance of showers. Mostly sunny, with a high near 66.