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.

Thunderstorm in Vicinity Light Rain

63°F

17°C

Humidity 87%
Wind Speed S 8 mph
Barometer 30.30 in (1017.9 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 22 Aug 10:53 pm MDT
Extended Forecast for

Cheyenne WY

  • Tonight

    Tonight: A 40 percent chance of showers before 3am. Mostly cloudy, with a low around 59. South southwest wind 10 to 15 mph.

    Low: 59 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. West southwest wind 10 to 15 mph.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 60. West southwest wind 10 to 15 mph.

    Low: 60 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. West northwest wind around 10 mph.

    High: 86 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday 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 57. Southwest wind 5 to 10 mph becoming west northwest in the evening. Chance of precipitation is 20%.

    Low: 57 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 83. Chance of precipitation is 60%.

    High: 83 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers before 3am. Mostly cloudy, with a low around 59. South southwest wind 10 to 15 mph.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. West southwest wind 10 to 15 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 60. West southwest wind 10 to 15 mph.
Monday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. West northwest wind around 10 mph.
Monday 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 57. Southwest wind 5 to 10 mph becoming west northwest in the evening. Chance of precipitation is 20%.
Tuesday
Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 83. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 54.
Wednesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82.
Wednesday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 54.
Thursday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cheyenne WY
 41.15°N 104.81°W (Elev. 6096 ft)
Last Update:
10:31 pm MDT Aug 22, 2026
Forecast Valid:
11pm MDT Aug 22, 2026-6pm MDT Aug 29, 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