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

78°F

26°C

Humidity 36%
Wind Speed E 12 mph
Barometer 30.21 in (1016.2 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 13 Jul 5:53 pm MDT
Extended Forecast for

Mount Rushmore SD

  • Tonight

    Tonight: Mostly clear, with a low around 65. Calm wind becoming southwest around 5 mph after midnight.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 93. Southwest wind around 5 mph becoming calm in the afternoon.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 63. Calm wind becoming southwest around 5 mph.

    Low: 63 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Partly sunny, with a high near 72. North wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

    High: 72 °F

    Mostly Sunny
    then T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 55. Northeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.

    Low: 55 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Steady temperature around 57. Northeast wind around 5 mph. Chance of precipitation is 80%.

    High: 57 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Northeast wind around 5 mph becoming calm. Chance of precipitation is 50%.

    Low: 53 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 69. Calm wind becoming south around 5 mph.

    High: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57.

    Low: 57 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 65. Calm wind becoming southwest around 5 mph after midnight.
Monday
A 30 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 93. Southwest wind around 5 mph becoming calm in the afternoon.
Monday Night
A 50 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 63. Calm wind becoming southwest around 5 mph.
Tuesday
Showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Partly sunny, with a high near 72. North wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 55. Northeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Wednesday
Showers and possibly a thunderstorm. Steady temperature around 57. Northeast wind around 5 mph. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Northeast wind around 5 mph becoming calm. Chance of precipitation is 50%.
Thursday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 69. Calm wind becoming south around 5 mph.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Friday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Rushmore SD
 43.87°N 103.46°W (Elev. 5000 ft)
Last Update:
6:09 pm MDT Jul 13, 2025
Forecast Valid:
6pm MDT Jul 13, 2025-6pm MDT Jul 20, 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