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 61%
Wind Speed W 12 mph
Barometer 30.11 in (1020.0 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 31 Jan 10:53 pm MST
Extended Forecast for

4 Miles WSW Mount Rushmore SD

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 31. West wind 7 to 10 mph, with gusts as high as 28 mph.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 47. Northwest wind 3 to 8 mph. Winds could gust as high as 20 mph.

    High: 47 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a steady temperature around 35. West wind 5 to 9 mph, with gusts as high as 24 mph.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 44. Northwest wind around 11 mph, with gusts as high as 31 mph.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. Northwest wind around 10 mph, with gusts as high as 25 mph.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after 11am.  Partly sunny, with a high near 39. Northwest wind around 10 mph, with gusts as high as 28 mph.

    High: 39 °F

    Slight Chance
    Snow

  • Tuesday Night

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

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43. West wind 6 to 8 mph, with gusts as high as 20 mph.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a steady temperature around 31. West wind 7 to 10 mph, with gusts as high as 28 mph.
Sunday
Mostly sunny, with a high near 47. Northwest wind 3 to 8 mph. Winds could gust as high as 20 mph.
Sunday Night
Mostly cloudy, with a steady temperature around 35. West wind 5 to 9 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 44. Northwest wind around 11 mph, with gusts as high as 31 mph.
Monday Night
Partly cloudy, with a low around 27. Northwest wind around 10 mph, with gusts as high as 25 mph.
Tuesday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 39. Northwest wind around 10 mph, with gusts as high as 28 mph.
Tuesday Night
Partly cloudy, with a low around 25. Northwest wind around 10 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 43. West wind 6 to 8 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
Sunny, with a high near 53.
Thursday Night
Mostly clear, with a low around 31.
Friday
Sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Mount Rushmore SD
 43.85°N 103.52°W (Elev. 6109 ft)
11:36 pm MST Jan 31, 2026
11pm MST Jan 31, 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