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

35°F

2°C

Humidity 59%
Wind Speed W 13 mph
Barometer 30.11 in (1020.1 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 31 Jan 9:53 pm MST
Extended Forecast for

10 Miles NE Edgemont SD

  • Tonight

    Tonight: Partly cloudy, with a low around 28. Wind chill values as low as 20. West wind 8 to 10 mph, with gusts as high as 16 mph.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 52. West wind 5 to 9 mph becoming light  in the afternoon. Winds could gust as high as 22 mph.

    High: 52 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30. Calm wind becoming northwest 5 to 8 mph after midnight. Winds could gust as high as 15 mph.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 52. Breezy, with a northwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 52 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. West wind around 10 mph, with gusts as high as 18 mph.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 46. West wind 9 to 17 mph, with gusts as high as 30 mph.

    High: 46 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25. Northwest wind around 9 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 49. West wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 49 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 28. Wind chill values as low as 20. West wind 8 to 10 mph, with gusts as high as 16 mph.
Sunday
Mostly sunny, with a high near 52. West wind 5 to 9 mph becoming light in the afternoon. Winds could gust as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 30. Calm wind becoming northwest 5 to 8 mph after midnight. Winds could gust as high as 15 mph.
Monday
Mostly sunny, with a high near 52. Breezy, with a northwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph.
Monday Night
Partly cloudy, with a low around 27. West wind around 10 mph, with gusts as high as 18 mph.
Tuesday
Partly sunny, with a high near 46. West wind 9 to 17 mph, with gusts as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 25. Northwest wind around 9 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 49. West wind 9 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Sunny, with a high near 59. Breezy.
Thursday Night
Mostly clear, with a low around 30.
Friday
Sunny, with a high near 53.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NE Edgemont SD
 43.41°N 103.69°W (Elev. 4432 ft)
9:36 pm MST Jan 31, 2026
10pm 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