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

36°F

2°C

Humidity 64%
Wind Speed W 6 mph
Barometer 30.03 in (1020.7 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 31 Jan 8:53 am MST
Extended Forecast for

5 Miles E Custer SD

  • Today

    Today: Mostly sunny, with a high near 44. Northwest wind 7 to 15 mph, with gusts as high as 39 mph.

    High: 44 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 30. West wind 6 to 8 mph, with gusts as high as 26 mph.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 50. Northwest wind 3 to 6 mph. Winds could gust as high as 18 mph.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33. Calm wind becoming northwest around 6 mph after midnight.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 49. Northwest wind 6 to 9 mph, with gusts as high as 25 mph.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 28. Northwest wind around 6 mph, with gusts as high as 18 mph.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of snow after 11am.  Mostly sunny, with a high near 43. Northwest wind 6 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 25. Northwest wind around 6 mph, with gusts as high as 17 mph.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 44. Northwest wind 7 to 15 mph, with gusts as high as 39 mph.
Tonight
Partly cloudy, with a low around 30. West wind 6 to 8 mph, with gusts as high as 26 mph.
Sunday
Mostly sunny, with a high near 50. Northwest wind 3 to 6 mph. Winds could gust as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around 33. Calm wind becoming northwest around 6 mph after midnight.
Monday
Mostly sunny, with a high near 49. Northwest wind 6 to 9 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 28. Northwest wind around 6 mph, with gusts as high as 18 mph.
Tuesday
A 20 percent chance of snow after 11am. Mostly sunny, with a high near 43. Northwest wind 6 to 10 mph, with gusts as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 25. Northwest wind around 6 mph, with gusts as high as 17 mph.
Wednesday
Mostly sunny, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Sunny, with a high near 56.
Thursday Night
Mostly clear, with a low around 30.
Friday
Sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Custer SD
 43.76°N 103.51°W (Elev. 5249 ft)
7:47 am MST Jan 31, 2026
9am MST Jan 31, 2026-6pm MST Feb 6, 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