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

43°F

6°C

Humidity 97%
Wind Speed SW 5 mph
Barometer 30.03 in (1016.3 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 13 Oct 12:53 pm MDT
Extended Forecast for

6 Miles NNW Keystone SD

  • This Afternoon

    This Afternoon: Patchy fog before 3pm. Otherwise, cloudy, with a high near 47. Light east wind.

    High: 47 °F

    Patchy Fog

  • Tonight

    Tonight: Cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Cloudy

  • Wednesday

    Wednesday: Showers likely, mainly after 3pm. Mostly cloudy, with a high near 53. Calm wind becoming east around 5 mph. Chance of precipitation is 60%.

    High: 53 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Rain. Low around 39. Calm wind becoming north around 5 mph after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%.

    Low: 39 °F

    Rain

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 55. North wind 6 to 14 mph, with gusts as high as 39 mph.

    High: 55 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Clear, with a low around 27. Northwest wind 6 to 11 mph becoming light west after midnight. Winds could gust as high as 36 mph.

    Low: 27 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

This Afternoon
Patchy fog before 3pm. Otherwise, cloudy, with a high near 47. Light east wind.
Tonight
Cloudy, with a low around 36. Calm wind.
Wednesday
Showers likely, mainly after 3pm. Mostly cloudy, with a high near 53. Calm wind becoming east around 5 mph. Chance of precipitation is 60%.
Wednesday Night
Rain. Low around 39. Calm wind becoming north around 5 mph after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 55. North wind 6 to 14 mph, with gusts as high as 39 mph.
Thursday Night
Clear, with a low around 27. Northwest wind 6 to 11 mph becoming light west after midnight. Winds could gust as high as 36 mph.
Friday
Sunny, with a high near 64.
Friday Night
Clear, with a low around 45.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 70.
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 ft)
Last Update:
12:31 pm MDT Oct 13, 2026
Forecast Valid:
1pm MDT Oct 13, 2026-6pm MDT Oct 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