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 64%
Wind Speed SW 6 mph
Barometer 30.11 in (1019.9 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 1 Feb 1:53 am MST
Extended Forecast for

5 Miles WSW Mount Rushmore SD

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 30. Wind chill values as low as 20. Northwest wind 11 to 14 mph, with gusts as high as 26 mph.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 44. Northwest wind 5 to 9 mph becoming light  in the afternoon. Winds could gust as high as 21 mph.

    High: 44 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a steady temperature around 34. West wind 6 to 13 mph, with gusts as high as 24 mph.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 39. Northwest wind around 14 mph, with gusts as high as 33 mph.

    High: 39 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25. Northwest wind 11 to 13 mph, with gusts as high as 28 mph.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow after 11am.  Partly sunny, with a high near 37. Northwest wind around 11 mph, with gusts as high as 29 mph.

    High: 37 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21. Northwest wind 10 to 13 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. West wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 42 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 30. Wind chill values as low as 20. Northwest wind 11 to 14 mph, with gusts as high as 26 mph.
Sunday
Partly sunny, with a high near 44. Northwest wind 5 to 9 mph becoming light in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Mostly cloudy, with a steady temperature around 34. West wind 6 to 13 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 39. Northwest wind around 14 mph, with gusts as high as 33 mph.
Monday Night
Partly cloudy, with a low around 25. Northwest wind 11 to 13 mph, with gusts as high as 28 mph.
Tuesday
A 30 percent chance of snow after 11am. Partly sunny, with a high near 37. Northwest wind around 11 mph, with gusts as high as 29 mph.
Tuesday Night
Partly cloudy, with a low around 21. Northwest wind 10 to 13 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 42. West wind 6 to 9 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
Sunny, with a high near 49.
Thursday Night
Clear, with a low around 27.
Friday
Sunny, with a high near 45.
Friday Night
Mostly clear, with a low around 25.
Saturday
Mostly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Mount Rushmore SD
 43.85°N 103.55°W (Elev. 6490 ft)
12:46 am MST Feb 1, 2026
2am 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