Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Overcast

28°F

-2°C

Humidity 53%
Wind Speed W 12 mph
Barometer 30.08 in (1022.1 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 27 Jan 5:53 am MST
Extended Forecast for

5 Miles E Custer County Airport SD

  • Today

    Today: Partly sunny, with a high near 36. Wind chill values as low as 14. West wind 3 to 7 mph. Winds could gust as high as 23 mph.

    High: 36 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 25. Wind chill values as low as 14. West wind 8 to 10 mph, with gusts as high as 23 mph.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 41. Wind chill values as low as 18. Northwest wind 5 to 8 mph becoming light and variable  in the afternoon. Winds could gust as high as 16 mph.

    High: 41 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after 11pm.  Mostly cloudy, with a low around 21. Calm wind becoming west around 6 mph after midnight.

    Low: 21 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: A 50 percent chance of snow, mainly after 11am.  Mostly cloudy, with a high near 35. Northwest wind 6 to 8 mph, with gusts as high as 21 mph.  New snow accumulation of less than a half inch possible.

    High: 35 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 14. Northwest wind around 5 mph.  New snow accumulation of less than a half inch possible.

    Low: 14 °F

    Chance Snow

  • Friday

    Friday: A 40 percent chance of snow.  Mostly cloudy, with a high near 25. East wind around 6 mph becoming southeast in the afternoon. Winds could gust as high as 17 mph.

    High: 25 °F

    Chance Snow

  • Friday Night

    Friday Night: A slight chance of snow.  Mostly cloudy, with a low around 15. South wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 17 mph.

    Low: 15 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A slight chance of snow.  Partly sunny, with a high near 40.

    High: 40 °F

    Slight Chance
    Snow

Detailed Forecast

Today
Partly sunny, with a high near 36. Wind chill values as low as 14. West wind 3 to 7 mph. Winds could gust as high as 23 mph.
Tonight
Mostly clear, with a steady temperature around 25. Wind chill values as low as 14. West wind 8 to 10 mph, with gusts as high as 23 mph.
Wednesday
Partly sunny, with a high near 41. Wind chill values as low as 18. Northwest wind 5 to 8 mph becoming light and variable in the afternoon. Winds could gust as high as 16 mph.
Wednesday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 21. Calm wind becoming west around 6 mph after midnight.
Thursday
A 50 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 35. Northwest wind 6 to 8 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 14. Northwest wind around 5 mph. New snow accumulation of less than a half inch possible.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 25. East wind around 6 mph becoming southeast in the afternoon. Winds could gust as high as 17 mph.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 15. South wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 17 mph.
Saturday
A slight chance of snow. Partly sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Partly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Custer County Airport SD
 43.72°N 103.54°W (Elev. 5351 ft)
5:21 am MST Jan 27, 2026
6am MST Jan 27, 2026-6pm MST Feb 2, 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