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

39°F

4°C

Humidity 76%
Wind Speed N 3 mph
Barometer 30.17 in (1021.5 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 5 Oct 8:53 pm MDT
Extended Forecast for

4 Miles NNE Keystone SD

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 37. Light north wind.

    Low: 37 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 52. Calm wind becoming south around 6 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 52 °F

    Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36. West wind 3 to 6 mph.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61. Light and variable wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 43. Southwest wind 5 to 9 mph, with gusts as high as 21 mph.

    Low: 43 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70. South wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46. West wind 3 to 7 mph. Winds could gust as high as 17 mph.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 71. West wind 5 to 7 mph becoming north in the afternoon. Winds could gust as high as 17 mph.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 37. Light north wind.
Monday
A 40 percent chance of showers, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 52. Calm wind becoming south around 6 mph in the afternoon. Winds could gust as high as 16 mph.
Monday Night
Mostly clear, with a low around 36. West wind 3 to 6 mph.
Tuesday
Sunny, with a high near 61. Light and variable wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 17 mph.
Tuesday Night
Clear, with a low around 43. Southwest wind 5 to 9 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 70. South wind 5 to 10 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 46. West wind 3 to 7 mph. Winds could gust as high as 17 mph.
Thursday
Sunny, with a high near 71. West wind 5 to 7 mph becoming north in the afternoon. Winds could gust as high as 17 mph.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 68.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Keystone SD
 43.94°N 103.41°W (Elev. 4774 ft)
Last Update:
7:27 pm MDT Oct 5, 2025
Forecast Valid:
9pm MDT Oct 5, 2025-6pm MDT Oct 12, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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