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.

Overcast

56°F

13°C

Humidity 44%
Wind Speed W 7 mph
Barometer 29.76 in (1001.2 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 29 Jun 3:53 am MDT
Extended Forecast for

4 Miles WSW Mount Rushmore SD

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 57. Northwest wind around 8 mph.

    Low: 57 °F

    Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 67. Breezy, with a southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 43 mph.

    High: 67 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 48. Breezy, with a west wind 16 to 21 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 44 mph.

    Low: 48 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. West wind 6 to 8 mph, with gusts as high as 26 mph.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight. Increasing clouds, with a low around 52. South wind around 5 mph becoming light and variable. Winds could gust as high as 18 mph.

    Low: 52 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 72. Northwest wind around 6 mph becoming east in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 40%.

    High: 72 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 54.

    Low: 54 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 57. Northwest wind around 8 mph.
Monday
Sunny, with a high near 67. Breezy, with a southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 43 mph.
Monday Night
Mostly clear, with a low around 48. Breezy, with a west wind 16 to 21 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 44 mph.
Tuesday
Sunny, with a high near 75. West wind 6 to 8 mph, with gusts as high as 26 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before midnight. Increasing clouds, with a low around 52. South wind around 5 mph becoming light and variable. Winds could gust as high as 18 mph.
Wednesday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 72. Northwest wind around 6 mph becoming east in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 54.
Friday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Independence Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 70.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Sunday
A slight chance of showers and thunderstorms. Sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Mount Rushmore SD
 43.85°N 103.52°W (Elev. 6109 ft)
Last Update:
3:36 am MDT Jun 29, 2026
Forecast Valid:
4am MDT Jun 29, 2026-6pm MDT Jul 5, 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