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

51°F

11°C

Humidity 74%
Wind Speed NE 5 mph
Barometer 29.84 in (1007.0 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 11 Oct 5:53 pm MDT
Extended Forecast for

6 Miles NNW Keystone SD

  • Tonight

    Tonight: A 50 percent chance of showers, mainly between 10pm and 2am. Mostly cloudy, with a low around 44. Light and variable wind. Winds could gust as high as 15 mph.

    Low: 44 °F

    Chance
    Showers

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 63. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Rain likely after midnight. Increasing clouds, with a low around 37. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 70%.

    Low: 37 °F

    Partly Cloudy
    then Rain
    Likely

  • Tuesday

    Tuesday: A 50 percent chance of rain. Mostly cloudy, with a high near 53. Light southeast wind. Winds could gust as high as 15 mph.

    High: 53 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Chance Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain. Mostly cloudy, with a high near 52. Light and variable wind. Winds could gust as high as 15 mph.

    High: 52 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.

    Low: 38 °F

    Rain Likely

  • Thursday

    Thursday: A slight chance of rain. Partly sunny, with a high near 56.

    High: 56 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Tonight
A 50 percent chance of showers, mainly between 10pm and 2am. Mostly cloudy, with a low around 44. Light and variable wind. Winds could gust as high as 15 mph.
Columbus Day
Mostly sunny, with a high near 63. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Rain likely after midnight. Increasing clouds, with a low around 37. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 70%.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 53. Light southeast wind. Winds could gust as high as 15 mph.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 37. Calm wind.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 52. Light and variable wind. Winds could gust as high as 15 mph.
Wednesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Thursday
A slight chance of rain. Partly sunny, with a high near 56.
Thursday Night
Mostly clear, with a low around 31.
Friday
Sunny, with a high near 58.
Friday Night
Clear, with a low around 39.
Saturday
Sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Sunny, with a high near 71.
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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:
3:56 pm MDT Oct 11, 2026
Forecast Valid:
6pm MDT Oct 11, 2026-6pm MDT Oct 18, 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