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

65°F

18°C

Humidity 73%
Wind Speed N 3 mph
Barometer 30.20 in (1016.3 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 14 Aug 9:53 pm MDT
Extended Forecast for

Edgemont SD

  • Tonight

    Tonight: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 60. East wind around 6 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 77. Calm wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56. Northeast wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 21 mph.

    Low: 56 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. Calm wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 22 mph.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 57. East wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.

    Low: 57 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89. Light and variable wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 60. East wind around 6 mph becoming calm after midnight. Chance of precipitation is 20%.
Saturday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 77. Calm wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 50%.
Saturday Night
A 50 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56. Northeast wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. Calm wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 22 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 57. East wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Monday
Sunny, with a high near 89. Light and variable wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59.
Tuesday
Partly sunny, with a high near 87.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Edgemont SD
 43.29°N 103.86°W (Elev. 3599 ft)
Last Update:
10:16 pm MDT Aug 14, 2026
Forecast Valid:
10pm MDT Aug 14, 2026-6pm MDT Aug 21, 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