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.

Light Rain

45°F

7°C

Humidity 97%
Wind Speed NE 7 mph
Barometer 29.74 in (1002.5 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 17 May 1:53 am MDT
Extended Forecast for

4 Miles WSW Mount Rushmore SD

  • Overnight

    Overnight: A chance of showers and thunderstorms. Cloudy, with a steady temperature around 45. South wind around 6 mph becoming west. Chance of precipitation is 50%.

    Low: 45 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 53. Northwest wind 6 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 53 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of rain and snow showers between midnight and 5am, then a chance of snow showers after 5am. Partly cloudy, then becoming cloudy toward daybreak, with a low around 29. North wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Monday

    Monday: Snow showers. Temperature falling to around 29 by 11am. Wind chill values as low as 18. North wind 11 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 33 °F⇓

    Snow Showers

  • Monday Night

    Monday Night: A 50 percent chance of snow showers before midnight. Mostly cloudy, with a low around 24. Northwest wind 7 to 11 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. West wind 3 to 7 mph. Winds could gust as high as 16 mph.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 54.

    High: 54 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Cloudy, with a steady temperature around 45. South wind around 6 mph becoming west. Chance of precipitation is 50%.
Sunday
Showers likely, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 53. Northwest wind 6 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday Night
A chance of rain and snow showers between midnight and 5am, then a chance of snow showers after 5am. Partly cloudy, then becoming cloudy toward daybreak, with a low around 29. North wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Monday
Snow showers. Temperature falling to around 29 by 11am. Wind chill values as low as 18. North wind 11 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Monday Night
A 50 percent chance of snow showers before midnight. Mostly cloudy, with a low around 24. Northwest wind 7 to 11 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.
Tuesday
Mostly sunny, with a high near 44. West wind 3 to 7 mph. Winds could gust as high as 16 mph.
Tuesday Night
Partly cloudy, with a low around 28.
Wednesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 54.
Wednesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 36.
Thursday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 54.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 37.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 60.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 42.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Mount Rushmore SD
 43.87°N 103.52°W (Elev. 6148 ft)
Last Update:
12:42 am MDT May 17, 2026
Forecast Valid:
2am MDT May 17, 2026-6pm MDT May 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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