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

34°F

1°C

Humidity 56%
Wind Speed Calm
Barometer 30.12 in (1021.4 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 1 Feb 8:53 am MST
Extended Forecast for

5 Miles NNW Custer SD

  • Today

    Today: Partly sunny, with a high near 47. Northwest wind around 6 mph becoming calm  in the afternoon. Winds could gust as high as 18 mph.

    High: 47 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 35. Calm wind becoming northwest around 6 mph after midnight. Winds could gust as high as 22 mph.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 42. Northwest wind 8 to 13 mph, with gusts as high as 34 mph.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25. Northwest wind around 7 mph, with gusts as high as 25 mph.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow, mainly after 11am.  Partly sunny, with a high near 39. Northwest wind 6 to 10 mph, with gusts as high as 28 mph.

    High: 39 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21. Northwest wind around 6 mph, with gusts as high as 23 mph.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44. West wind 3 to 6 mph. Winds could gust as high as 20 mph.

    High: 44 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33. Northwest wind 5 to 8 mph, with gusts as high as 28 mph.

    Low: 33 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 47. Northwest wind around 6 mph becoming calm in the afternoon. Winds could gust as high as 18 mph.
Tonight
Partly cloudy, with a steady temperature around 35. Calm wind becoming northwest around 6 mph after midnight. Winds could gust as high as 22 mph.
Monday
Sunny, with a high near 42. Northwest wind 8 to 13 mph, with gusts as high as 34 mph.
Monday Night
Partly cloudy, with a low around 25. Northwest wind around 7 mph, with gusts as high as 25 mph.
Tuesday
A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 39. Northwest wind 6 to 10 mph, with gusts as high as 28 mph.
Tuesday Night
Partly cloudy, with a low around 21. Northwest wind around 6 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 44. West wind 3 to 6 mph. Winds could gust as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 33. Northwest wind 5 to 8 mph, with gusts as high as 28 mph.
Thursday
Sunny, with a high near 51.
Thursday Night
Clear, with a low around 27.
Friday
Sunny, with a high near 48.
Friday Night
Mostly clear, with a low around 27.
Saturday
Mostly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Custer SD
 43.84°N 103.64°W (Elev. 5600 ft)
7:52 am MST Feb 1, 2026
9am 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