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

75°F

24°C

Humidity 37%
Wind Speed W 10 G 18 mph
Barometer 30.06 in (1011.3 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 2 Sep 10:53 am MDT
Extended Forecast for

Custer State Park SD

  • Today

    Today: Sunny, with a high near 87. Southwest wind 8 to 10 mph, with gusts as high as 28 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 65. Southwest wind around 8 mph, with gusts as high as 24 mph.

    Low: 65 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. Southwest wind around 8 mph, with gusts as high as 23 mph.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. West wind 3 to 6 mph. Winds could gust as high as 18 mph.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 91. West wind 5 to 9 mph becoming south in the afternoon. Winds could gust as high as 24 mph.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 68. South wind 5 to 8 mph becoming west after midnight. Winds could gust as high as 21 mph.

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Sunday

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

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 87. Southwest wind 8 to 10 mph, with gusts as high as 28 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 65. Southwest wind around 8 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 87. Southwest wind around 8 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 65. West wind 3 to 6 mph. Winds could gust as high as 18 mph.
Friday
Sunny, with a high near 91. West wind 5 to 9 mph becoming south in the afternoon. Winds could gust as high as 24 mph.
Friday Night
Mostly clear, with a low around 68. South wind 5 to 8 mph becoming west after midnight. Winds could gust as high as 21 mph.
Saturday
Sunny, with a high near 92.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 82.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Labor Day
A slight chance of showers and thunderstorms. Partly sunny, with a high near 82.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Custer State Park SD
 43.72°N 103.42°W (Elev. 4583 ft)
Last Update:
10:16 am MDT Sep 2, 2026
Forecast Valid:
11am MDT Sep 2, 2026-6pm MDT Sep 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation