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.

Fog/Mist

21°F

-6°C

Humidity 92%
Wind Speed Calm
Barometer 29.67 in (1008.3 mb)
Dewpoint 19°F (-7°C)
Visibility 1.00 mi
Last update 14 Mar 6:53 am MDT
Extended Forecast for

6 Miles NNW Keystone SD

  • Today

    Today: A 30 percent chance of rain after 3pm. Partly sunny, with a high near 53. Calm wind becoming west around 6 mph. Winds could gust as high as 21 mph.

    High: 53 °F

    Partly Sunny
    then Chance
    Rain

  • Tonight

    Tonight: Rain and snow, becoming all snow after 8pm. Low around 11. Wind chill values as low as -2. Light northwest wind becoming north 6 to 11 mph in the evening. Winds could gust as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 11 °F

    Rain/Snow
    then Snow

  • Sunday

    Sunday: Snow likely, mainly before noon. Partly sunny, with a high near 23. Wind chill values as low as -3. North wind 8 to 11 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 23 °F

    Snow Likely
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 4. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 26 mph.

    Low: 4 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 38. Light and variable wind.

    High: 38 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a temperature falling to near 26 by midnight, then rising to around 35 during the remainder of the night. Calm wind becoming west around 6 mph after midnight. Winds could gust as high as 22 mph.

    Low: 26 °F⇑

    Slight Chance
    Snow then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 63. West wind 6 to 15 mph, with gusts as high as 44 mph.

    High: 63 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43. Northwest wind 6 to 13 mph, with gusts as high as 38 mph.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of rain after 3pm. Partly sunny, with a high near 53. Calm wind becoming west around 6 mph. Winds could gust as high as 21 mph.
Tonight
Rain and snow, becoming all snow after 8pm. Low around 11. Wind chill values as low as -2. Light northwest wind becoming north 6 to 11 mph in the evening. Winds could gust as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Sunday
Snow likely, mainly before noon. Partly sunny, with a high near 23. Wind chill values as low as -3. North wind 8 to 11 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly clear, with a low around 4. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 26 mph.
Monday
Increasing clouds, with a high near 38. Light and variable wind.
Monday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a temperature falling to near 26 by midnight, then rising to around 35 during the remainder of the night. Calm wind becoming west around 6 mph after midnight. Winds could gust as high as 22 mph.
Tuesday
Partly sunny, with a high near 63. West wind 6 to 15 mph, with gusts as high as 44 mph.
Tuesday Night
Partly cloudy, with a low around 43. Northwest wind 6 to 13 mph, with gusts as high as 38 mph.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Keystone SD
 43.98°N 103.47°W (Elev. 4800 ft)
Last Update:
6:47 am MDT Mar 14, 2026
Forecast Valid:
7am MDT Mar 14, 2026-6pm MDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation