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

22°C

72°F

Humidity 34%
Wind Speed NE 6 km/h
Barometer 1014.5 mb (30.12 in)
Dewpoint 6°C (42°F)
Visibility 16 km
Last update 12 Jul 6:53 pm MDT
Extended Forecast for

Edgemont SD

  • Tonight

    Tonight: Mostly clear, with a low around 13. North wind 5 to 10 km/h becoming southeast after midnight.

    Low: 13 °C

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 35. Northwest wind 10 to 15 km/h becoming east in the afternoon. Winds could gust as high as 30 km/h.

    High: 35 °C

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 19. East wind 15 to 20 km/h, with gusts as high as 30 km/h.

    Low: 19 °C

    Mostly Clear

  • Monday

    Monday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Sunny and hot, with a high near 38. East wind 15 to 20 km/h becoming south 20 to 25 km/h in the morning. Winds could gust as high as 45 km/h. Chance of precipitation is 20%.

    High: 38 °C

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 16. South wind 20 to 25 km/h becoming north 15 to 20 km/h after midnight. Winds could gust as high as 40 km/h. Chance of precipitation is 40%.

    Low: 16 °C

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 27. North wind 15 to 20 km/h becoming east 25 to 30 km/h in the afternoon. Winds could gust as high as 45 km/h. Chance of precipitation is 30%.

    High: 27 °C

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Increasing clouds, with a low around 14. East wind 25 to 30 km/h decreasing to 20 to 25 km/h after midnight. Winds could gust as high as 45 km/h.

    Low: 14 °C

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 23. East wind 20 to 25 km/h, with gusts as high as 40 km/h.

    High: 23 °C

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 13.

    Low: 13 °C

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 13. North wind 5 to 10 km/h becoming southeast after midnight.
Sunday
Sunny, with a high near 35. Northwest wind 10 to 15 km/h becoming east in the afternoon. Winds could gust as high as 30 km/h.
Sunday Night
Mostly clear, with a low around 19. East wind 15 to 20 km/h, with gusts as high as 30 km/h.
Monday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Sunny and hot, with a high near 38. East wind 15 to 20 km/h becoming south 20 to 25 km/h in the morning. Winds could gust as high as 45 km/h. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 16. South wind 20 to 25 km/h becoming north 15 to 20 km/h after midnight. Winds could gust as high as 40 km/h. Chance of precipitation is 40%.
Tuesday
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 27. North wind 15 to 20 km/h becoming east 25 to 30 km/h in the afternoon. Winds could gust as high as 45 km/h. Chance of precipitation is 30%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Increasing clouds, with a low around 14. East wind 25 to 30 km/h decreasing to 20 to 25 km/h after midnight. Winds could gust as high as 45 km/h.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 23. East wind 20 to 25 km/h, with gusts as high as 40 km/h.
Wednesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 13.
Thursday
Partly sunny, with a high near 26.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 15.
Friday
Mostly sunny, with a high near 31.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 16.
Saturday
Mostly sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
Edgemont SD
 43.31°N 103.83°W (Elev. 3589 m)
Last Update:
6:29 pm MDT Jul 12, 2025
Forecast Valid:
7pm MDT Jul 12, 2025-6pm MDT Jul 19, 2025
 
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