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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Lander WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Tonight

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 12 °C

Thursday

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

High: 24 °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: 24 °C

Friday
Night

Scattered Showers Chance for Measurable Precipitation 30%

Scattered
Showers

Low: 10 °C

Saturday

Scattered Showers Chance for Measurable Precipitation 50%

Scattered
Showers

High: 21 °C

Saturday
Night

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 8 °C

Sunday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 20 °C

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 8 °C

Detailed Forecast

  • Tonight Isolated showers and thunderstorms before midnight. Some of the storms could produce gusty winds. Partly cloudy, with a low around 12. Light and variable wind becoming west southwest 21 to 26 km/h after midnight. Chance of precipitation is 20%.
  • Thursday Isolated showers and thunderstorms after noon. Some of the storms could produce gusty winds. Partly sunny, with a high near 24. Calm wind becoming north 5 to 10 km/h in the morning. Chance of precipitation is 20%.
  • Thursday Night Isolated showers and thunderstorms before midnight. Partly cloudy, with a low around 11. West southwest wind 11 to 16 km/h decreasing to 5 to 10 km/h after midnight. Chance of precipitation is 20%.
  • Friday Isolated showers and thunderstorms. Mostly sunny, with a high near 24. West northwest wind around 10 km/h. Chance of precipitation is 20%.
  • Friday Night Scattered showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 10. West wind 13 to 18 km/h decreasing to 5 to 10 km/h after midnight. Chance of precipitation is 30%.
  • Saturday Scattered showers and thunderstorms. Partly sunny, with a high near 21. West wind around 11 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 8. North wind around 11 km/h.
  • Sunday A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 20.
  • Sunday Night Partly cloudy, with a low around 8.
  • Monday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 23.
  • Monday Night A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 11.
  • Tuesday A slight chance of showers and thunderstorms. Partly sunny, with a high near 22.
  • Tuesday Night Partly cloudy, with a low around 9.
  • Wednesday Mostly sunny, with a high near 24.