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

78°F

26°C

Humidity 35%
Wind Speed SW 10 G 18 mph
Barometer 29.73 in (998.6 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 7 Jun 11:53 am MDT
Extended Forecast for

Custer SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 86. Southwest wind 9 to 11 mph, with gusts as high as 23 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 7pm and midnight. Partly cloudy, with a low around 49. Southwest wind 5 to 9 mph becoming north after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 73. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 24 mph.

    High: 73 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54. Southeast wind 5 to 9 mph becoming south after midnight. Winds could gust as high as 24 mph.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 53. West wind 11 to 16 mph decreasing to 5 to 10 mph in the evening. Winds could gust as high as 31 mph.

    Low: 53 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 67. Chance of precipitation is 30%.

    High: 67 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 86. Southwest wind 9 to 11 mph, with gusts as high as 23 mph.
Tonight
A slight chance of showers and thunderstorms between 7pm and midnight. Partly cloudy, with a low around 49. Southwest wind 5 to 9 mph becoming north after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Monday
Partly sunny, then gradually becoming sunny, with a high near 73. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 24 mph.
Monday Night
Partly cloudy, with a low around 54. Southeast wind 5 to 9 mph becoming south after midnight. Winds could gust as high as 24 mph.
Tuesday
Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 34 mph.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 53. West wind 11 to 16 mph decreasing to 5 to 10 mph in the evening. Winds could gust as high as 31 mph.
Wednesday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 67. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 42.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 44.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Custer SD
 43.76°N 103.6°W (Elev. 5417 ft)
Last Update:
8:57 am MDT Jun 7, 2026
Forecast Valid:
12pm MDT Jun 7, 2026-6pm MDT Jun 13, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation