National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Cheyenne, Cheyenne Airport (KCYS)

Lat: 41.16°NLon: 104.81°WElev: 6116ft.

Partly Cloudy

87°F

31°C

Humidity 21%
Wind Speed NE 14 G 22 mph
Barometer 30.29 in (1015.5 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 21 Aug 12:53 pm MDT
Extended Forecast for

Cheyenne WY

  • This Afternoon

    This Afternoon: A slight chance of thunderstorms after 3pm. Mostly sunny and hot, with a high near 92. North wind around 10 mph becoming east. Chance of precipitation is 20%.

    High: 92 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 59. East wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. North northeast wind 5 to 15 mph becoming south in the afternoon.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 9pm, then a chance of showers. Mostly cloudy, with a low around 58. South southwest wind 5 to 15 mph. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. Southwest wind 5 to 15 mph becoming northwest in the morning.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 61. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87.

    High: 87 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A slight chance of thunderstorms after 3pm. Mostly sunny and hot, with a high near 92. North wind around 10 mph becoming east. Chance of precipitation is 20%.
Tonight
A slight chance of thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 59. East wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Saturday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. North northeast wind 5 to 15 mph becoming south in the afternoon.
Saturday Night
Showers likely and possibly a thunderstorm before 9pm, then a chance of showers. Mostly cloudy, with a low around 58. South southwest wind 5 to 15 mph. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. Southwest wind 5 to 15 mph becoming northwest in the morning.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 61. Chance of precipitation is 20%.
Monday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87.
Monday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 57.
Tuesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84.
Tuesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Cheyenne WY
 41.13°N 104.81°W (Elev. 6047 ft)
Last Update:
12:31 pm MDT Aug 21, 2026
Forecast Valid:
1pm MDT Aug 21, 2026-6pm MDT Aug 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation