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

79°F

26°C

Humidity 27%
Wind Speed Vrbl 6 G 18 mph
Barometer 30.03 in (1010.2 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 2 Sep 12:53 pm MDT
Extended Forecast for

Custer SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. Southwest wind around 11 mph, with gusts as high as 28 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 58. Southwest wind 5 to 9 mph, with gusts as high as 24 mph.

    Low: 58 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Southwest wind 6 to 9 mph, with gusts as high as 23 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. Southwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87. Light and variable wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 24 mph.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63. South wind 5 to 7 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 82. Southwest wind around 11 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 58. Southwest wind 5 to 9 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 83. Southwest wind 6 to 9 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 60. Southwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Friday
Sunny, with a high near 87. Light and variable wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 24 mph.
Friday Night
Mostly clear, with a low around 63. South wind 5 to 7 mph becoming west after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 61.
Sunday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Labor Day
A chance of showers and thunderstorms. Partly sunny, with a high near 79.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 77.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Custer SD
 43.78°N 103.57°W (Elev. 5400 ft)
Last Update:
12:31 pm MDT Sep 2, 2026
Forecast Valid:
1pm MDT Sep 2, 2026-6pm MDT Sep 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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