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.

Mostly Cloudy

67°F

19°C

Humidity 24%
Wind Speed SW 13 mph
Barometer 29.94 in (1005.3 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 16 May 10:53 am MDT
Extended Forecast for

Cheyenne WY

  • Today

    Today: Scattered showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 75. South wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 75 °F

    Mostly Sunny
    then
    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 46. Southeast wind 10 to 15 mph becoming west northwest after midnight. Chance of precipitation is 30%.

    Low: 46 °F

    Scattered
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 63. West northwest wind around 15 mph becoming north northeast in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

    High: 63 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain showers before midnight, then rain and snow showers. Some thunder is also possible. Low around 31. North northeast wind around 15 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 31 °F

    Showers then
    Rain/Snow

  • Monday

    Monday: Rain and snow showers, becoming all snow after 9am. Some thunder is also possible. High near 36. Breezy, with a north northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.

    High: 36 °F

    Breezy.
    Rain/Snow
    then Snow
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around 24. Blustery.

    Low: 24 °F

    Slight Chance
    Snow Showers
    and Blustery

  • Tuesday

    Tuesday: A chance of rain and snow showers after noon. Mostly sunny, with a high near 49. Chance of precipitation is 30%.

    High: 49 °F

    Mostly Sunny
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A slight chance of showers before midnight. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 75. South wind 10 to 15 mph. Chance of precipitation is 30%.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 46. Southeast wind 10 to 15 mph becoming west northwest after midnight. Chance of precipitation is 30%.
Sunday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 63. West northwest wind around 15 mph becoming north northeast in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Sunday Night
Rain showers before midnight, then rain and snow showers. Some thunder is also possible. Low around 31. North northeast wind around 15 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Monday
Rain and snow showers, becoming all snow after 9am. Some thunder is also possible. High near 36. Breezy, with a north northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Monday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 24. Blustery.
Tuesday
A chance of rain and snow showers after noon. Mostly sunny, with a high near 49. Chance of precipitation is 30%.
Tuesday Night
A slight chance of showers before midnight. Mostly cloudy, with a low around 30.
Wednesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Cheyenne WY
 41.15°N 104.78°W (Elev. 6047 ft)
Last Update:
3:06 am MDT May 16, 2026
Forecast Valid:
10am MDT May 16, 2026-6pm MDT May 22, 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