National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Fair

57°F

14°C

Humidity 28%
Wind Speed W 7 mph
Barometer 30.07 in (1012.7 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 17 Oct 11:53 pm MDT
Extended Forecast for

5 Miles E Custer SD

  • Tonight

    Tonight: Mostly clear, with a low around 48. West wind 5 to 8 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 62. North wind 6 to 9 mph, with gusts as high as 22 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. Northeast wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 22 mph.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 57. Calm wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 57 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. Calm wind becoming southwest around 5 mph after midnight. Winds could gust as high as 18 mph.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71. Southwest wind 3 to 7 mph. Winds could gust as high as 18 mph.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 48. West wind 5 to 8 mph becoming north after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 62. North wind 6 to 9 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 40. Northeast wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 22 mph.
Monday
Mostly sunny, with a high near 57. Calm wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 17 mph.
Monday Night
Mostly clear, with a low around 42. Calm wind becoming southwest around 5 mph after midnight. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 71. Southwest wind 3 to 7 mph. Winds could gust as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 52.
Friday
A slight chance of rain. Partly sunny, with a high near 68.
Friday Night
A chance of rain. Mostly cloudy, with a low around 47.
Saturday
A chance of rain. Partly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Custer SD
 43.76°N 103.51°W (Elev. 5249 ft)
Last Update:
10:36 pm MDT Oct 17, 2026
Forecast Valid:
11pm MDT Oct 17, 2026-6pm MDT Oct 24, 2026
 
Forecast Discussion
 
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