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

58°F

14°C

Humidity 93%
Wind Speed NW 6 mph
Barometer 30.25 in (1017.8 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 15 Aug 3:53 am MDT
Extended Forecast for

5 Miles NNW Custer SD

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a steady temperature around 58. Calm wind. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after noon. Mostly cloudy, with a high near 66. Calm wind. Chance of precipitation is 60%.

    High: 66 °F

    Scattered
    Showers then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 49. Calm wind. Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely then
    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73. Calm wind becoming south around 5 mph. Winds could gust as high as 17 mph.

    High: 73 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 51. Light and variable wind. Winds could gust as high as 15 mph.

    Low: 51 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. Light and variable wind. Winds could gust as high as 16 mph.

    High: 79 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 75.

    High: 75 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a steady temperature around 58. Calm wind. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely, mainly after noon. Mostly cloudy, with a high near 66. Calm wind. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 49. Calm wind. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73. Calm wind becoming south around 5 mph. Winds could gust as high as 17 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 51. Light and variable wind. Winds could gust as high as 15 mph.
Monday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. Light and variable wind. Winds could gust as high as 16 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 75.
Tuesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 48.
Wednesday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 73.
Wednesday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 53.
Friday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Custer SD
 43.84°N 103.64°W (Elev. 5600 ft)
Last Update:
3:16 am MDT Aug 15, 2026
Forecast Valid:
4am MDT Aug 15, 2026-6pm MDT Aug 21, 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