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.

Thunderstorm in Vicinity

56°F

13°C

Humidity 93%
Wind Speed NW 5 mph
Barometer 30.32 in (1020.9 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 17 Aug 6:53 am MDT
Extended Forecast for

14 Miles WNW Custer County Airport SD

  • Today

    Today: Scattered showers and thunderstorms, mainly before noon. Partly sunny, with a high near 76. Light and variable wind becoming west 5 to 7 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 30%.

    High: 76 °F

    Scattered
    Showers then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 54. Northwest wind around 6 mph becoming light and variable after midnight. Winds could gust as high as 17 mph.

    Low: 54 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 74. North wind 5 to 8 mph becoming west in the morning. Winds could gust as high as 18 mph.

    High: 74 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 51. North wind around 6 mph becoming calm after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 60%.

    Low: 51 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 72. Calm wind becoming west 5 to 7 mph in the morning. Winds could gust as high as 18 mph.

    High: 72 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. Northwest wind around 6 mph becoming calm after midnight. Winds could gust as high as 17 mph.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly before noon. Partly sunny, with a high near 76. Light and variable wind becoming west 5 to 7 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Tonight
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 54. Northwest wind around 6 mph becoming light and variable after midnight. Winds could gust as high as 17 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 74. North wind 5 to 8 mph becoming west in the morning. Winds could gust as high as 18 mph.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 51. North wind around 6 mph becoming calm after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 72. Calm wind becoming west 5 to 7 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 52. Northwest wind around 6 mph becoming calm after midnight. Winds could gust as high as 17 mph.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 57.
Friday
Mostly sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 57.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles WNW Custer County Airport SD
 43.81°N 103.87°W (Elev. 6158 ft)
Last Update:
6:41 am MDT Aug 17, 2026
Forecast Valid:
7am MDT Aug 17, 2026-6pm MDT Aug 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation