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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4 Miles WNW Centennial WY

7 Day Forecast

For More Weather Information:

Cheyenne, WY Local Forecast Office

Overnight

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 46 °F

Thursday

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

High: 70 °F

Thursday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 42 °F

Friday

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

High: 69 °F

Friday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 42 °F

Saturday

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

High: 65 °F

Saturday
Night

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 41 °F

Sunday

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

High: 60 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 40 °F

Detailed Forecast

  • Overnight Isolated showers and thunderstorms before midnight. Partly cloudy, with a low around 46. West southwest wind around 10 mph. 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 70. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
  • Thursday Night A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 42. South southwest wind 5 to 15 mph.
  • Friday A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 69. South wind around 10 mph.
  • Friday Night A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 42. South southeast wind 10 to 15 mph becoming southwest after midnight. Chance of precipitation is 30%.
  • Saturday A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 65.
  • Saturday Night A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 41.
  • Sunday A slight chance of showers and thunderstorms. Partly sunny, with a high near 60.
  • Sunday Night Partly cloudy, with a low around 40.
  • Monday A chance of showers and thunderstorms. Partly sunny, with a high near 65.
  • Monday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 43.
  • Tuesday A chance of showers and thunderstorms. Partly sunny, with a high near 64.
  • Tuesday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 39.
  • Wednesday Mostly sunny, with a high near 65.