National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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.

Fair

35°F

2°C

Humidity 38%
Wind Speed W 10 mph
Barometer 30.14 in (1023.6 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 27 Jan 3:53 pm MST
Extended Forecast for

6 Miles NW Custer SD

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 24. Wind chill values as low as 14. Northwest wind 6 to 8 mph, with gusts as high as 23 mph.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 39. Wind chill values as low as 17. West wind around 6 mph becoming calm in the afternoon. Winds could gust as high as 15 mph.

    High: 39 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow after 11pm. Mostly cloudy, with a low around 21. Wind chill values as low as 13. Calm wind becoming northwest 5 to 7 mph after midnight. Winds could gust as high as 20 mph. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow

  • Thursday

    Thursday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 32. Wind chill values as low as 12. Northwest wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 18. Northwest wind 3 to 5 mph. Winds could gust as high as 15 mph. New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 27. Northwest wind around 6 mph becoming southwest in the afternoon. Winds could gust as high as 17 mph. New snow accumulation of less than a half inch possible.

    High: 27 °F

    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 12. Southwest wind 3 to 7 mph. Winds could gust as high as 16 mph.

    Low: 12 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A chance of snow, mainly before 11am. Partly sunny, with a high near 36. West wind 8 to 10 mph, with gusts as high as 30 mph.

    High: 36 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a steady temperature around 24. Wind chill values as low as 14. Northwest wind 6 to 8 mph, with gusts as high as 23 mph.
Wednesday
Increasing clouds, with a high near 39. Wind chill values as low as 17. West wind around 6 mph becoming calm in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
A 40 percent chance of snow after 11pm. Mostly cloudy, with a low around 21. Wind chill values as low as 13. Calm wind becoming northwest 5 to 7 mph after midnight. Winds could gust as high as 20 mph. New snow accumulation of less than a half inch possible.
Thursday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 32. Wind chill values as low as 12. Northwest wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 18. Northwest wind 3 to 5 mph. Winds could gust as high as 15 mph. New snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 27. Northwest wind around 6 mph becoming southwest in the afternoon. Winds could gust as high as 17 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 12. Southwest wind 3 to 7 mph. Winds could gust as high as 16 mph.
Saturday
A chance of snow, mainly before 11am. Partly sunny, with a high near 36. West wind 8 to 10 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 45.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
A slight chance of snow. Partly sunny, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Custer SD
 43.82°N 103.7°W (Elev. 6001 ft)
Last Update:
4:11 pm MST Jan 27, 2026
Forecast Valid:
4pm MST Jan 27, 2026-6pm MST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation