Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

33°F

1°C

Humidity 58%
Wind Speed W 6 mph
Barometer 30.09 in (1019.4 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 1 Feb 3:53 am MST
Extended Forecast for

3 Miles SSE Custer County Airport SD

  • Today

    Today: Partly sunny, with a high near 50. Northwest wind around 6 mph becoming calm  in the afternoon. Winds could gust as high as 18 mph.

    High: 50 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 32. Calm wind becoming northwest around 6 mph after midnight. Winds could gust as high as 17 mph.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 47. Northwest wind 6 to 13 mph, with gusts as high as 31 mph.

    High: 47 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. Northwest wind around 6 mph, with gusts as high as 22 mph.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after 11am.  Partly sunny, with a high near 43. Northwest wind 5 to 10 mph, with gusts as high as 26 mph.

    High: 43 °F

    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 24. Northwest wind 3 to 6 mph. Winds could gust as high as 21 mph.

    Low: 24 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46. West wind 3 to 8 mph. Winds could gust as high as 20 mph.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34. Northwest wind around 7 mph, with gusts as high as 23 mph.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 50. Northwest wind around 6 mph becoming calm in the afternoon. Winds could gust as high as 18 mph.
Tonight
Partly cloudy, with a low around 32. Calm wind becoming northwest around 6 mph after midnight. Winds could gust as high as 17 mph.
Monday
Sunny, with a high near 47. Northwest wind 6 to 13 mph, with gusts as high as 31 mph.
Monday Night
Partly cloudy, with a low around 27. Northwest wind around 6 mph, with gusts as high as 22 mph.
Tuesday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 43. Northwest wind 5 to 10 mph, with gusts as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 24. Northwest wind 3 to 6 mph. Winds could gust as high as 21 mph.
Wednesday
Mostly sunny, with a high near 46. West wind 3 to 8 mph. Winds could gust as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 34. Northwest wind around 7 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 55.
Thursday Night
Clear, with a low around 29.
Friday
Sunny, with a high near 50.
Friday Night
Mostly clear, with a low around 29.
Saturday
Mostly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Custer County Airport SD
 43.69°N 103.6°W (Elev. 5400 ft)
3:16 am MST Feb 1, 2026
4am MST Feb 1, 2026-6pm MST Feb 7, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database