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.

Mostly Cloudy

45°F

7°C

Humidity 56%
Wind Speed NE 5 mph
Barometer 29.73 in (1006.0 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 2 Jan 9:53 am MST
Extended Forecast for

3 Miles NNE Keystone SD

  • Today

    Today: Mostly cloudy, with a high near 43. Calm wind becoming north around 5 mph. Winds could gust as high as 15 mph.

    High: 43 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a steady temperature around 38. West wind 3 to 5 mph. Winds could gust as high as 16 mph.

    Low: 38 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 53. Light and variable wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 53 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a temperature falling to near 38 by 8pm, then rising to around 47 during the remainder of the night. Southwest wind 5 to 13 mph, with gusts as high as 36 mph.

    Low: 38 °F⇑

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 58. West wind 7 to 13 mph, with gusts as high as 36 mph.

    High: 58 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38. West wind 6 to 9 mph, with gusts as high as 24 mph.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 54. West wind 6 to 8 mph, with gusts as high as 23 mph.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. West wind around 6 mph, with gusts as high as 18 mph.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 43. Calm wind becoming north around 5 mph. Winds could gust as high as 15 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a steady temperature around 38. West wind 3 to 5 mph. Winds could gust as high as 16 mph.
Saturday
Mostly sunny, with a high near 53. Light and variable wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 16 mph.
Saturday Night
Mostly cloudy, with a temperature falling to near 38 by 8pm, then rising to around 47 during the remainder of the night. Southwest wind 5 to 13 mph, with gusts as high as 36 mph.
Sunday
Mostly sunny, with a high near 58. West wind 7 to 13 mph, with gusts as high as 36 mph.
Sunday Night
Mostly cloudy, with a low around 38. West wind 6 to 9 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 54. West wind 6 to 8 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 32. West wind around 6 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 47.
Tuesday Night
Mostly clear, with a low around 30.
Wednesday
Mostly sunny, with a high near 48.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Keystone SD
 43.92°N 103.41°W (Elev. 4708 ft)
Last Update:
9:22 am MST Jan 2, 2026
Forecast Valid:
9am MST Jan 2, 2026-6pm MST Jan 8, 2026
 
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