National Weather Service United States Department of Commerce

Oppressive heat and humidity building into the central and southeast U.S.

A heat wave is building into parts of the central and southeast U.S. this week. The combination of heat and humidity will lead to dangerous heat indices, especially in parts of the central Mississippi River Valley where an Excessive Heat Warning is in effect. Heat Advisories are in effect elsewhere across the region. Relief is not expected for several days.
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Hazardous Weather Conditions

Current Conditions

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Casper WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Tonight

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 15 °C

Thursday

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

High: 28 °C

Thursday
Night

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 13 °C

Friday

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

High: 26 °C

Friday
Night

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 12 °C

Saturday

Scattered Showers Chance for Measurable Precipitation 50%

Scattered
Showers

High: 24 °C

Saturday
Night

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 9 °C

Sunday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 22 °C

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 9 °C

Detailed Forecast

  • Tonight Isolated showers and thunderstorms before midnight. Some of the storms could produce gusty winds. Partly cloudy, with a low around 15. Northwest wind 21 to 26 km/h becoming light and variable. Winds could gust as high as 37 km/h. Chance of precipitation is 20%.
  • Thursday Isolated showers and thunderstorms after noon. Some of the storms could produce gusty winds. Mostly sunny, with a high near 28. Southwest wind 23 to 29 km/h, with gusts as high as 40 km/h. Chance of precipitation is 20%.
  • Thursday Night Isolated showers and thunderstorms before midnight. Mostly cloudy, with a low around 13. West southwest wind 22 to 27 km/h becoming northeast 8 to 13 km/h in the evening. Winds could gust as high as 39 km/h. Chance of precipitation is 20%.
  • Friday Isolated showers and thunderstorms after noon. Mostly sunny, with a high near 26. North northwest wind 5 to 13 km/h becoming south southwest in the afternoon. Chance of precipitation is 20%.
  • Friday Night Isolated showers and thunderstorms. Mostly cloudy, with a low around 12. South wind 11 to 16 km/h becoming north northeast 5 to 10 km/h after midnight. Chance of precipitation is 20%.
  • Saturday Scattered showers and thunderstorms. Partly sunny, with a high near 24. West wind 10 to 18 km/h. Chance of precipitation is 50%.
  • Saturday Night A 50 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 9. West northwest wind 13 to 23 km/h, with gusts as high as 34 km/h.
  • Sunday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 22.
  • Sunday Night Partly cloudy, with a low around 9.
  • Monday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 24.
  • Monday Night A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 12.
  • Tuesday A slight chance of showers and thunderstorms. Partly sunny, with a high near 23.
  • Tuesday Night A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 10.
  • Wednesday Mostly sunny, with a high near 26.