Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Overcast

27°F

-3°C

Humidity 78%
Wind Speed Calm
Barometer 30.26 in (1027.9 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 30 Jan 8:53 am MST
Extended Forecast for

4 Miles ESE Custer County Airport SD

  • Today

    Today: A 30 percent chance of snow.  Patchy fog before 11am.  Otherwise, cloudy, with a high near 24. Wind chill values as low as 10. Light and variable wind becoming east around 6 mph in the morning. Winds could gust as high as 16 mph.

    High: 24 °F

    Chance Snow
    and Patchy
    Fog

  • Tonight

    Tonight: A 30 percent chance of snow, mainly after 5am.  Mostly cloudy, with a temperature rising to around 29 by 5am. Wind chill values as low as 9. South wind 5 to 8 mph becoming west after midnight. Winds could gust as high as 17 mph.

    Low: 17 °F

    Chance Snow

  • Saturday

    Saturday: A chance of rain, snow, and freezing rain before 10am, then a chance of rain and snow between 10am and 11am.  Mostly cloudy, then gradually becoming sunny, with a high near 44. Northwest wind 9 to 15 mph, with gusts as high as 33 mph.  Chance of precipitation is 30%.

    High: 44 °F

    Chance Wintry
    Mix then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28. Northwest wind 11 to 13 mph, with gusts as high as 26 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 48. Northwest wind 5 to 9 mph becoming light west  in the afternoon. Winds could gust as high as 20 mph.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a steady temperature around 36. West wind 3 to 8 mph. Winds could gust as high as 15 mph.

    Low: 36 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 48. Northwest wind around 10 mph, with gusts as high as 25 mph.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28. Northwest wind around 10 mph, with gusts as high as 24 mph.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of snow. Patchy fog before 11am. Otherwise, cloudy, with a high near 24. Wind chill values as low as 10. Light and variable wind becoming east around 6 mph in the morning. Winds could gust as high as 16 mph.
Tonight
A 30 percent chance of snow, mainly after 5am. Mostly cloudy, with a temperature rising to around 29 by 5am. Wind chill values as low as 9. South wind 5 to 8 mph becoming west after midnight. Winds could gust as high as 17 mph.
Saturday
A chance of rain, snow, and freezing rain before 10am, then a chance of rain and snow between 10am and 11am. Mostly cloudy, then gradually becoming sunny, with a high near 44. Northwest wind 9 to 15 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 28. Northwest wind 11 to 13 mph, with gusts as high as 26 mph.
Sunday
Mostly sunny, with a high near 48. Northwest wind 5 to 9 mph becoming light west in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly cloudy, with a steady temperature around 36. West wind 3 to 8 mph. Winds could gust as high as 15 mph.
Monday
Mostly sunny, with a high near 48. Northwest wind around 10 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 28. Northwest wind around 10 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Mostly sunny, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Custer County Airport SD
 43.72°N 103.54°W (Elev. 5351 ft)
6:57 am MST Jan 30, 2026
9am MST Jan 30, 2026-6pm MST Feb 5, 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