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

79°F

26°C

Humidity 35%
Wind Speed SW 12 G 25 mph
Barometer 29.73 in (999.2 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 27 Jun 1:53 pm MDT
Extended Forecast for

4 Miles WSW Mount Rushmore SD

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 4pm. Patchy smoke between 3pm and 5pm. Mostly sunny, with a high near 77. Calm wind becoming southwest 5 to 8 mph. Winds could gust as high as 26 mph.

    High: 77 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 53. South wind 6 to 9 mph becoming west in the evening. Winds could gust as high as 25 mph.

    Low: 53 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 72. Southwest wind 8 to 13 mph, with gusts as high as 32 mph.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 49. Southwest wind 6 to 9 mph becoming northwest in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 60%.

    Low: 49 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Sunny, with a high near 67. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 43 mph.

    High: 67 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. Breezy, with a west wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 41 mph.

    Low: 47 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 48.

    Low: 48 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 4pm. Patchy smoke between 3pm and 5pm. Mostly sunny, with a high near 77. Calm wind becoming southwest 5 to 8 mph. Winds could gust as high as 26 mph.
Tonight
A 40 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 53. South wind 6 to 9 mph becoming west in the evening. Winds could gust as high as 25 mph.
Sunday
Sunny, with a high near 72. Southwest wind 8 to 13 mph, with gusts as high as 32 mph.
Sunday Night
A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 49. Southwest wind 6 to 9 mph becoming northwest in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 60%.
Monday
Sunny, with a high near 67. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 43 mph.
Monday Night
Mostly clear, with a low around 47. Breezy, with a west wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 41 mph.
Tuesday
Sunny, with a high near 71.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 48.
Wednesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Mount Rushmore SD
 43.85°N 103.55°W (Elev. 6490 ft)
Last Update:
2:21 pm MDT Jun 27, 2026
Forecast Valid:
2pm MDT Jun 27, 2026-6pm MDT Jul 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation