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.

Overcast

16°F

-9°C

Humidity 92%
Wind Speed SW 7 mph
Barometer 30.25 in (1029.6 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 30 Jan 8:53 pm MST
Extended Forecast for

4 Miles WNW Custer State Park SD

  • Tonight

    Tonight: A 20 percent chance of snow after 2am.  Mostly cloudy, with a temperature rising to around 31 by 5am. Wind chill values as low as 4. West wind around 9 mph, with gusts as high as 18 mph.

    Low: 15 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A slight chance of snow, mixing with rain after 8am, then gradually ending.  Cloudy through mid morning, then gradual clearing, with a high near 45. Northwest wind 9 to 18 mph, with gusts as high as 38 mph.  Chance of precipitation is 20%.

    High: 45 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29. Northwest wind 10 to 13 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 48. Northwest wind 3 to 8 mph. Winds could gust as high as 17 mph.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 48. Northwest wind around 9 mph, with gusts as high as 24 mph.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow after 11am.  Partly sunny, with a high near 41. Northwest wind around 10 mph, with gusts as high as 28 mph.

    High: 41 °F

    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: A slight chance of snow.  Partly cloudy, with a low around 25.

    Low: 25 °F

    Slight Chance
    Snow

Detailed Forecast

Tonight
A 20 percent chance of snow after 2am. Mostly cloudy, with a temperature rising to around 31 by 5am. Wind chill values as low as 4. West wind around 9 mph, with gusts as high as 18 mph.
Saturday
A slight chance of snow, mixing with rain after 8am, then gradually ending. Cloudy through mid morning, then gradual clearing, with a high near 45. Northwest wind 9 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 29. Northwest wind 10 to 13 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 48. Northwest wind 3 to 8 mph. Winds could gust as high as 17 mph.
Sunday Night
Mostly cloudy, with a steady temperature around 35. West wind 5 to 9 mph.
Monday
Mostly sunny, with a high near 48. Northwest wind around 9 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 29. Northwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of snow after 11am. Partly sunny, with a high near 41. Northwest wind around 10 mph, with gusts as high as 28 mph.
Tuesday Night
A slight chance of snow. Partly cloudy, with a low around 25.
Wednesday
Mostly sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Sunny, with a high near 54.
Thursday Night
Mostly clear, with a low around 29.
Friday
Sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Custer State Park SD
 43.74°N 103.48°W (Elev. 5600 ft)
6:57 pm MST Jan 30, 2026
9pm MST Jan 30, 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