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.

Fog/Mist

18°F

-8°C

Humidity 96%
Wind Speed W 5 mph
Barometer 30.13 in (1026.1 mb)
Dewpoint 17°F (-8°C)
Visibility 1.25 mi
Wind Chill11°F (-12°C)
Last update 31 Jan 12:53 am MST
Extended Forecast for

5 Miles NNW Custer SD

  • Overnight

    Overnight: A 20 percent chance of snow after 3am.  Mostly cloudy, with a low around 16. West wind around 6 mph, with gusts as high as 17 mph.

    Low: 16 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A chance of rain and snow before 1pm, then a slight chance of snow between 1pm and 2pm.  Cloudy through mid morning, then gradual clearing, with a high near 41. Northwest wind 6 to 16 mph, with gusts as high as 38 mph.  Chance of precipitation is 30%.

    High: 41 °F

    Chance Snow
    then Slight
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27. Northwest wind 7 to 11 mph, with gusts as high as 31 mph.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 48. Northwest wind 3 to 7 mph. Winds could gust as high as 22 mph.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30. Calm wind becoming northwest around 6 mph after midnight. Winds could gust as high as 16 mph.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45. Northwest wind 7 to 10 mph, with gusts as high as 25 mph.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 25. Northwest wind 6 to 8 mph, with gusts as high as 24 mph.

    Low: 25 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of snow after 11am.  Mostly sunny, with a high near 38. Northwest wind 9 to 11 mph, with gusts as high as 28 mph.

    High: 38 °F

    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: A slight chance of snow.  Partly cloudy, with a low around 22.

    Low: 22 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
A 20 percent chance of snow after 3am. Mostly cloudy, with a low around 16. West wind around 6 mph, with gusts as high as 17 mph.
Saturday
A chance of rain and snow before 1pm, then a slight chance of snow between 1pm and 2pm. Cloudy through mid morning, then gradual clearing, with a high near 41. Northwest wind 6 to 16 mph, with gusts as high as 38 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 27. Northwest wind 7 to 11 mph, with gusts as high as 31 mph.
Sunday
Mostly sunny, with a high near 48. Northwest wind 3 to 7 mph. Winds could gust as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 30. Calm wind becoming northwest around 6 mph after midnight. Winds could gust as high as 16 mph.
Monday
Mostly sunny, with a high near 45. Northwest wind 7 to 10 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 25. Northwest wind 6 to 8 mph, with gusts as high as 24 mph.
Tuesday
A slight chance of snow after 11am. Mostly sunny, with a high near 38. Northwest wind 9 to 11 mph, with gusts as high as 28 mph.
Tuesday Night
A slight chance of snow. Partly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Sunny, with a high near 49.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Custer SD
 43.82°N 103.64°W (Elev. 5804 ft)
12:27 am MST Jan 31, 2026
1am 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