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.
Read More...

Hazardous Weather Conditions

Current Conditions

En Español

Share |

Riverton WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Today

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

High: 28 °C

Tonight

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 12 °C

Thursday

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

High: 26 °C

Thursday
Night

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 11 °C

Friday

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

High: 25 °C

Friday
Night

Isolated Showers Chance for Measurable Precipitation 20%

Isolated
Showers

Low: 11 °C

Saturday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 22 °C

Saturday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 8 °C

Sunday

Mostly Sunny

Mostly
Sunny

High: 21 °C

Detailed Forecast

  • Today Isolated showers and thunderstorms after 9am. Mostly sunny, with a high near 28. North northwest wind 8 to 13 km/h becoming west northwest 19 to 29 km/h in the afternoon. Winds could gust as high as 40 km/h. Chance of precipitation is 20%.
  • Tonight Isolated showers and thunderstorms before midnight. Partly cloudy, with a low around 12. North northwest wind 8 to 16 km/h becoming west southwest after midnight. Chance of precipitation is 20%.
  • Thursday Isolated showers and thunderstorms after noon. Mostly sunny, with a high near 26. South southeast wind 8 to 13 km/h becoming west southwest 19 to 24 km/h in the afternoon. Winds could gust as high as 34 km/h. Chance of precipitation is 20%.
  • Thursday Night Isolated showers and thunderstorms before midnight. Partly cloudy, with a low around 11. Northwest wind 8 to 14 km/h becoming south after midnight. Chance of precipitation is 20%.
  • Friday Isolated showers and thunderstorms after noon. Mostly sunny, with a high near 25. Northwest wind 5 to 10 km/h becoming south in the afternoon. Chance of precipitation is 20%.
  • Friday Night Isolated showers after midnight. Partly cloudy, with a low around 11. West northwest wind 22 to 27 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 39 km/h. Chance of precipitation is 20%.
  • Saturday A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 22. West wind around 11 km/h.
  • Saturday Night A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 8.
  • Sunday Mostly sunny, with a high near 21.
  • Sunday Night Partly cloudy, with a low around 7.
  • Monday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 24.
  • Monday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 9.
  • Tuesday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 23.