National Weather Service United States Department of Commerce

Severe weather possible for parts of northern Plains and mid/upper Mississippi River Valley

Severe thunderstorms are expected across portions of the northern Plains and upper Mississippi Valley Wednesday. Large hail and damaging winds will be the main threats with these storms, but a tornado or two could occur as well. Other strong to severe storms may occur from late afternoon into the overnight hours from the middle Mississippi Valley into the lower Ohio Valley.
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Hazardous Weather Conditions

Current Conditions

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5 Miles SW South Entrance WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Overnight

Scattered Showers Chance for Measurable Precipitation 40%

Scattered
Showers

Low: 44 °F

Wednesday

Scattered Thunderstorms Chance for Measurable Precipitation 40%

Scattered
Thunderstorms

High: 68 °F

Wednesday
Night

Scattered Thunderstorms Chance for Measurable Precipitation 50%

Scattered
Thunderstorms

Low: 42 °F

Thursday

Scattered Thunderstorms Chance for Measurable Precipitation 50%

Scattered
Thunderstorms

High: 65 °F

Thursday
Night

Scattered Thunderstorms Chance for Measurable Precipitation 40%

Scattered
Thunderstorms

Low: 39 °F

Friday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 66 °F

Friday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 37 °F

Saturday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 62 °F

Saturday
Night

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

Low: 34 °F

Detailed Forecast

  • Overnight Scattered showers and thunderstorms. Mostly cloudy, with a low around 44. East wind around 5 mph. Chance of precipitation is 40%.
  • Wednesday Scattered showers, with thunderstorms also possible after 9am. Mostly cloudy, with a high near 68. East southeast wind 5 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Wednesday Night Scattered showers and thunderstorms. Mostly cloudy, with a low around 42. West southwest wind 5 to 9 mph becoming east northeast after midnight. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Thursday Scattered showers and thunderstorms. Mostly cloudy, with a high near 65. South wind 5 to 11 mph. Chance of precipitation is 50%.
  • Thursday Night Scattered showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 39. Southwest wind 5 to 9 mph becoming southeast after midnight. Chance of precipitation is 40%.
  • Friday A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 66. South southeast wind 5 to 8 mph becoming southwest in the afternoon.
  • Friday Night A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 37. South southwest wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 20%.
  • Saturday A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 62.
  • Saturday Night A slight chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 34. Chance of precipitation is 20%.
  • Sunday A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 65.
  • Sunday Night A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 38.
  • Monday A slight chance of showers and thunderstorms. Partly sunny, with a high near 66.
  • Monday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 38.
  • Tuesday A slight chance of showers and thunderstorms. Partly sunny, with a high near 62.