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.

Fair

20°C

68°F

Humidity 61%
Wind Speed SW 9 km/h
Barometer 1016.3 mb (30.27 in)
Dewpoint 12°C (54°F)
Visibility 16 km
Last update 13 Jul 2:53 am MDT
Extended Forecast for

6 Miles NNW Keystone SD

  • Overnight

    Overnight: Mostly clear, with a low around 21. Southwest wind around 11 km/h, with gusts as high as 42 km/h.

    Low: 21 °C

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 37. South wind 11 to 13 km/h, with gusts as high as 39 km/h.

    High: 37 °C

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 20. South wind 8 to 11 km/h, with gusts as high as 37 km/h.

    Low: 20 °C

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 36. Southwest wind 5 to 10 km/h becoming southeast 11 to 16 km/h in the afternoon. Winds could gust as high as 37 km/h.

    High: 36 °C

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 19. Southeast wind 8 to 13 km/h becoming southwest after midnight. Winds could gust as high as 39 km/h.

    Low: 19 °C

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 35. South wind 8 to 14 km/h, with gusts as high as 45 km/h.

    High: 35 °C

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 19.

    Low: 19 °C

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 34.

    High: 34 °C

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19.

    Low: 19 °C

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 21. Southwest wind around 11 km/h, with gusts as high as 42 km/h.
Monday
Sunny, with a high near 37. South wind 11 to 13 km/h, with gusts as high as 39 km/h.
Monday Night
Mostly clear, with a low around 20. South wind 8 to 11 km/h, with gusts as high as 37 km/h.
Tuesday
Sunny, with a high near 36. Southwest wind 5 to 10 km/h becoming southeast 11 to 16 km/h in the afternoon. Winds could gust as high as 37 km/h.
Tuesday Night
Mostly clear, with a low around 19. Southeast wind 8 to 13 km/h becoming southwest after midnight. Winds could gust as high as 39 km/h.
Wednesday
Sunny, with a high near 35. South wind 8 to 14 km/h, with gusts as high as 45 km/h.
Wednesday Night
Mostly clear, with a low around 19.
Thursday
Sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 19.
Friday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 34.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Mostly sunny, with a high near 32.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 18.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 32.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Keystone SD
 43.98°N 103.47°W (Elev. 4800 m)
Last Update:
12:32 am MDT Jul 13, 2026
Forecast Valid:
3am MDT Jul 13, 2026-6pm MDT Jul 19, 2026
 
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