National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Overcast

34°F

1°C

Humidity 64%
Wind Speed NE 5 mph
Barometer 29.52 in (1002.2 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 14 Mar 6:53 pm MDT
Extended Forecast for

4 Miles SW Mount Rushmore SD

  • Tonight

    Tonight: Snow. Patchy blowing snow after 5am. Low around 7. Wind chill values as low as -10. Blustery, with a north wind 10 to 15 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 7 °F

    Snow and
    Patchy
    Blowing Snow

  • Sunday

    Sunday: Snow likely, mainly before noon. Patchy blowing snow before 9am. Mostly sunny, with a high near 20. Wind chill values as low as -12. Blustery, with a north wind 17 to 22 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 20 °F

    Snow Likely
    and Patchy
    Blowing Snow
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 5. Wind chill values as low as -7. Northwest wind 7 to 13 mph, with gusts as high as 29 mph.

    Low: 5 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 32. Wind chill values as low as -5. Southwest wind 5 to 7 mph, with gusts as high as 17 mph.

    High: 32 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A slight chance of snow before 3am, then a slight chance of rain and snow between 3am and 5am, then a slight chance of rain after 5am. Mostly cloudy, with a temperature falling to near 26 by 8pm, then rising to around 38 during the remainder of the night. West wind 5 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    Low: 26 °F⇑

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Mostly sunny, with a high near 58. Northwest wind 11 to 17 mph, with gusts as high as 41 mph.

    High: 58 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42. Northwest wind 11 to 18 mph, with gusts as high as 41 mph.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67. West wind 9 to 11 mph, with gusts as high as 30 mph.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow. Patchy blowing snow after 5am. Low around 7. Wind chill values as low as -10. Blustery, with a north wind 10 to 15 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.
Sunday
Snow likely, mainly before noon. Patchy blowing snow before 9am. Mostly sunny, with a high near 20. Wind chill values as low as -12. Blustery, with a north wind 17 to 22 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly clear, with a low around 5. Wind chill values as low as -7. Northwest wind 7 to 13 mph, with gusts as high as 29 mph.
Monday
Increasing clouds, with a high near 32. Wind chill values as low as -5. Southwest wind 5 to 7 mph, with gusts as high as 17 mph.
Monday Night
A slight chance of snow before 3am, then a slight chance of rain and snow between 3am and 5am, then a slight chance of rain after 5am. Mostly cloudy, with a temperature falling to near 26 by 8pm, then rising to around 38 during the remainder of the night. West wind 5 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Tuesday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 58. Northwest wind 11 to 17 mph, with gusts as high as 41 mph.
Tuesday Night
Partly cloudy, with a low around 42. Northwest wind 11 to 18 mph, with gusts as high as 41 mph.
Wednesday
Mostly sunny, with a high near 67. West wind 9 to 11 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 44.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Mount Rushmore SD
 43.85°N 103.52°W (Elev. 6109 ft)
Last Update:
5:02 pm MDT Mar 14, 2026
Forecast Valid:
7pm MDT Mar 14, 2026-6pm MDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation