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

64°F

18°C

Humidity 56%
Wind Speed E 5 mph
Barometer 30.24 in (1016.6 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 13 Jul 10:53 pm MDT
Extended Forecast for

Edgemont SD

  • Tonight

    Tonight: Mostly clear, with a low around 64. East wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon. Sunny and hot, with a high near 101. East wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 101 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 63. South wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 63 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. Breezy, with a northwest wind 5 to 10 mph becoming east 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Increasing clouds, with a low around 59. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely and
    Breezy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 9am, then a chance of showers between 9am and noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 71. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 55. East wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 78. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 64. East wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
A 20 percent chance of showers and thunderstorms after noon. Sunny and hot, with a high near 101. East wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Monday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 63. South wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. Breezy, with a northwest wind 5 to 10 mph becoming east 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Increasing clouds, with a low around 59. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Wednesday
A chance of showers and thunderstorms before 9am, then a chance of showers between 9am and noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 71. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 55. East wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Thursday
Partly sunny, with a high near 78. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 86.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Sunday
A slight chance of showers and thunderstorms. Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Edgemont SD
 43.31°N 103.83°W (Elev. 3589 ft)
Last Update:
9:49 pm MDT Jul 13, 2025
Forecast Valid:
11pm MDT Jul 13, 2025-6pm MDT Jul 20, 2025
 
Forecast Discussion
 
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Additional Resources

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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