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.

Mostly Cloudy

67°F

19°C

Humidity 61%
Wind Speed E 3 mph
Barometer 30.10 in (1013.4 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 1 Sep 12:53 pm MDT
Extended Forecast for

Custer SD

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a steady temperature around 68. South wind 3 to 6 mph. Winds could gust as high as 20 mph.

    High: 68 °F

    Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 54. East wind around 6 mph becoming calm. Winds could gust as high as 17 mph.

    Low: 54 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 83. Southwest wind 5 to 14 mph, with gusts as high as 30 mph.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. Southwest wind 6 to 11 mph, with gusts as high as 26 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Southwest wind 7 to 10 mph, with gusts as high as 24 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. West wind 3 to 7 mph. Winds could gust as high as 21 mph.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a steady temperature around 68. South wind 3 to 6 mph. Winds could gust as high as 20 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 54. East wind around 6 mph becoming calm. Winds could gust as high as 17 mph.
Wednesday
Sunny, with a high near 83. Southwest wind 5 to 14 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 59. Southwest wind 6 to 11 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 83. Southwest wind 7 to 10 mph, with gusts as high as 24 mph.
Thursday Night
Mostly clear, with a low around 60. West wind 3 to 7 mph. Winds could gust as high as 21 mph.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 78.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Labor Day
A chance of showers and thunderstorms. Partly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Custer SD
 43.78°N 103.6°W (Elev. 5476 ft)
Last Update:
12:31 pm MDT Sep 1, 2026
Forecast Valid:
1pm MDT Sep 1, 2026-6pm MDT Sep 7, 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