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

3 Miles NNE Hill City SD

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Calm wind. Chance of precipitation is 60%.

    Low: 54 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after noon. Partly sunny, with a high near 67. Calm wind. Winds could gust as high as 15 mph. Chance of precipitation is 70%.

    High: 67 °F

    Scattered
    Showers then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 73. Light and variable wind. Winds could gust as high as 18 mph. Chance of precipitation is 60%.

    High: 73 °F

    Mostly Sunny
    then Showers
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 52. Light and variable wind. Winds could gust as high as 15 mph.

    Low: 52 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 50 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 54.

    Low: 54 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 75.

    High: 75 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Calm wind. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely, mainly after noon. Partly sunny, with a high near 67. Calm wind. Winds could gust as high as 15 mph. Chance of precipitation is 70%.
Saturday Night
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50. Calm wind.
Sunday
Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 73. Light and variable wind. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 52. Light and variable wind. Winds could gust as high as 15 mph.
Monday
A 50 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 54.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm 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 49.
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 51.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Hill City SD
 43.97°N 103.56°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