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

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Fair

50°F

10°C

Humidity 36%
Wind Speed W 3 mph
Barometer 30.23 in (1018.6 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 7 Oct 5:53 am MDT
Extended Forecast for

6 Miles NNW Keystone SD

  • Today

    Today: Mostly sunny, with a high near 76. Calm wind becoming northeast around 5 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 76 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Light and variable wind. Winds could gust as high as 15 mph.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 75. Calm wind becoming east around 5 mph. Winds could gust as high as 18 mph.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. Light and variable wind. Winds could gust as high as 15 mph.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 32 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. West wind 5 to 7 mph, with gusts as high as 29 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of rain. Partly sunny, with a high near 57.

    High: 57 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 76. Calm wind becoming northeast around 5 mph in the afternoon. Winds could gust as high as 17 mph.
Tonight
Partly cloudy, with a low around 45. Light and variable wind. Winds could gust as high as 15 mph.
Thursday
Sunny, with a high near 75. Calm wind becoming east around 5 mph. Winds could gust as high as 18 mph.
Thursday Night
Mostly clear, with a low around 51. Light and variable wind. Winds could gust as high as 15 mph.
Friday
Sunny, with a high near 82. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 32 mph.
Friday Night
Mostly clear, with a low around 57. West wind 5 to 7 mph, with gusts as high as 29 mph.
Saturday
Sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
A slight chance of rain. Partly sunny, with a high near 57.
Sunday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 38.
Columbus Day
Rain likely. Mostly cloudy, with a high near 52.
Monday Night
A chance of rain. Mostly cloudy, with a low around 37.
Tuesday
A chance of rain. Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Keystone SD
 43.98°N 103.47°W (Elev. 4800 ft)
Last Update:
4:31 am MDT Oct 7, 2026
Forecast Valid:
6am MDT Oct 7, 2026-6pm MDT Oct 13, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation