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 NW 8 mph
Barometer 29.83 in (1012.5 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 2 Dec 7:53 pm MST
Extended Forecast for

5 Miles ESE Keystone SD

  • Tonight

    Tonight: A 30 percent chance of snow, mainly after 2am.  Cloudy, with a low around 17. North wind around 7 mph, with gusts as high as 16 mph.

    Low: 17 °F

    Chance Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly before 8am.  Mostly cloudy, with a high near 25. Wind chill values as low as 8. North wind 5 to 8 mph becoming light and variable  in the afternoon. Winds could gust as high as 16 mph.

    High: 25 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Mostly clear, with a temperature falling to near 15 by 8pm, then rising to around 26 during the remainder of the night. Wind chill values as low as 6. Light and variable wind becoming west 5 to 10 mph in the evening. Winds could gust as high as 23 mph.

    Low: 15 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 41. Wind chill values as low as 18. West wind 7 to 9 mph, with gusts as high as 23 mph.

    High: 41 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after 11pm.  Mostly cloudy, with a low around 26. West wind 6 to 8 mph, with gusts as high as 18 mph.

    Low: 26 °F

    Slight Chance
    Snow

  • Friday

    Friday: A 20 percent chance of snow.  Mostly sunny, with a high near 38. Northwest wind 7 to 11 mph, with gusts as high as 26 mph.

    High: 38 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow after 11pm.  Mostly cloudy, with a low around 23. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.

    Low: 23 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A chance of snow, mainly after 11am.  Mostly cloudy, with a high near 36. North wind 8 to 11 mph, with gusts as high as 25 mph.

    High: 36 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A slight chance of snow before 11pm.  Mostly cloudy, with a low around 21.

    Low: 21 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of snow, mainly after 2am. Cloudy, with a low around 17. North wind around 7 mph, with gusts as high as 16 mph.
Wednesday
A 30 percent chance of snow, mainly before 8am. Mostly cloudy, with a high near 25. Wind chill values as low as 8. North wind 5 to 8 mph becoming light and variable in the afternoon. Winds could gust as high as 16 mph.
Wednesday Night
Mostly clear, with a temperature falling to near 15 by 8pm, then rising to around 26 during the remainder of the night. Wind chill values as low as 6. Light and variable wind becoming west 5 to 10 mph in the evening. Winds could gust as high as 23 mph.
Thursday
Partly sunny, with a high near 41. Wind chill values as low as 18. West wind 7 to 9 mph, with gusts as high as 23 mph.
Thursday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 26. West wind 6 to 8 mph, with gusts as high as 18 mph.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 38. Northwest wind 7 to 11 mph, with gusts as high as 26 mph.
Friday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 23. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.
Saturday
A chance of snow, mainly after 11am. Mostly cloudy, with a high near 36. North wind 8 to 11 mph, with gusts as high as 25 mph.
Saturday Night
A slight chance of snow before 11pm. Mostly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 45.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
A chance of rain. Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Keystone SD
 43.88°N 103.34°W (Elev. 3999 ft)
6:26 pm MST Dec 2, 2025
8pm MST Dec 2, 2025-6pm MST Dec 9, 2025
 
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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