Winter Storm in the Central Appalachians through the Northeast; Heavy Snow in the Great Basin and Rockies

A winter storm will impact the central Appalachians to the Northeast through the night. Accumulating snow is expected for interior New England and the northern Mid-Atlantic. Scattered showers and occasional thunderstorms will persist across Florida and the Southeast coast. Locally heavy mountain snow is expected in the Great Basin and Rockies over the next couple of days. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Overcast

30°F

-1°C

Humidity 72%
Wind Speed N 5 mph
Barometer 29.84 in (1012.9 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 2 Dec 8:53 pm MST
Extended Forecast for

4 Miles NW Keystone SD

  • Tonight

    Tonight: A 30 percent chance of snow, mainly after 2am.  Cloudy, with a low around 13. Northwest wind around 7 mph, with gusts as high as 16 mph.

    Low: 13 °F

    Chance Snow

  • Wednesday

    Wednesday: A chance of snow before 8am, then a slight chance of snow after 11am.  Mostly cloudy, with a high near 21. Wind chill values as low as 5. North wind around 6 mph becoming calm  in the afternoon.  Chance of precipitation is 30%.

    High: 21 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Mostly clear, with a temperature falling to near 12 by 8pm, then rising to around 21 during the remainder of the night. Wind chill values as low as 2. Light southwest wind becoming west 6 to 11 mph in the evening. Winds could gust as high as 24 mph.

    Low: 12 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 34. Wind chill values as low as 10. West wind 6 to 10 mph, with gusts as high as 24 mph.

    High: 34 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after 11pm.  Mostly cloudy, with a low around 22. West wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 22 °F

    Slight Chance
    Snow

  • Friday

    Friday: A 20 percent chance of snow.  Mostly sunny, with a high near 32. Northwest wind 7 to 10 mph, with gusts as high as 26 mph.

    High: 32 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow after 11pm.  Mostly cloudy, with a low around 20. West wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 20 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A chance of snow.  Partly sunny, with a high near 32. Northwest wind 7 to 9 mph, with gusts as high as 25 mph.

    High: 32 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A slight chance of snow.  Mostly cloudy, with a low around 19.

    Low: 19 °F

    Slight Chance
    Snow

Detailed Forecast

Tonight
A 30 percent chance of snow, mainly after 2am. Cloudy, with a low around 13. Northwest wind around 7 mph, with gusts as high as 16 mph.
Wednesday
A chance of snow before 8am, then a slight chance of snow after 11am. Mostly cloudy, with a high near 21. Wind chill values as low as 5. North wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a temperature falling to near 12 by 8pm, then rising to around 21 during the remainder of the night. Wind chill values as low as 2. Light southwest wind becoming west 6 to 11 mph in the evening. Winds could gust as high as 24 mph.
Thursday
Partly sunny, with a high near 34. Wind chill values as low as 10. West wind 6 to 10 mph, with gusts as high as 24 mph.
Thursday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 22. West wind 7 to 10 mph, with gusts as high as 21 mph.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 32. Northwest wind 7 to 10 mph, with gusts as high as 26 mph.
Friday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 20. West wind 6 to 10 mph, with gusts as high as 21 mph.
Saturday
A chance of snow. Partly sunny, with a high near 32. Northwest wind 7 to 9 mph, with gusts as high as 25 mph.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Keystone SD
 43.94°N 103.47°W (Elev. 5482 ft)
6:26 pm MST Dec 2, 2025
9pm MST Dec 2, 2025-6pm MST Dec 9, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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