Tracking Areas of Winter Weather and Heavy Rainfall

A cold front will move through the Great Lakes and Northeast U.S. today, bringing areas of snow and snow squalls which can bring rapid reductions to visibility and slick roads. A storm system will shift from the northern Gulf Coast through the Southeast U.S. today through Friday with areas of heavy to excessive rainfall and light snow further north. Heavy snow is also expected in the Rockies. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

26°F

-3°C

Humidity 71%
Wind Speed Vrbl 3 mph
Barometer 29.79 in (1013.0 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 4 Dec 4:53 pm MST
Extended Forecast for

4 Miles NW Keystone SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. Wind chill values as low as 14. Northwest wind 9 to 13 mph, with gusts as high as 25 mph.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 32. Wind chill values as low as 14. Northwest wind 6 to 13 mph, with gusts as high as 30 mph.

    High: 32 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a temperature rising to around 26 by 5am. Wind chill values as low as 12. Southwest wind 5 to 8 mph, with gusts as high as 16 mph.

    Low: 21 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow.  Partly sunny, with a temperature rising to near 32 by noon, then falling to around 23 during the remainder of the day. Wind chill values as low as 16. Northwest wind around 8 mph, with gusts as high as 23 mph.  New snow accumulation of less than a half inch possible.

    High: 32 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow.  Mostly cloudy, with a low around 14. Calm wind becoming west around 6 mph after midnight.

    Low: 14 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A 20 percent chance of snow.  Mostly sunny, with a high near 34. West wind 7 to 9 mph, with gusts as high as 25 mph.

    High: 34 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 23. West wind 8 to 13 mph, with gusts as high as 24 mph.

    Low: 23 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 39. Northwest wind 11 to 14 mph, with gusts as high as 36 mph.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 24. Wind chill values as low as 14. Northwest wind 9 to 13 mph, with gusts as high as 25 mph.
Friday
Partly sunny, with a high near 32. Wind chill values as low as 14. Northwest wind 6 to 13 mph, with gusts as high as 30 mph.
Friday Night
Mostly cloudy, with a temperature rising to around 26 by 5am. Wind chill values as low as 12. Southwest wind 5 to 8 mph, with gusts as high as 16 mph.
Saturday
A 40 percent chance of snow. Partly sunny, with a temperature rising to near 32 by noon, then falling to around 23 during the remainder of the day. Wind chill values as low as 16. Northwest wind around 8 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 14. Calm wind becoming west around 6 mph after midnight.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 34. West wind 7 to 9 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 23. West wind 8 to 13 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 39. Northwest wind 11 to 14 mph, with gusts as high as 36 mph.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
A slight chance of rain and snow between 11am and noon, then a chance of rain. Partly sunny, with a high near 44.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 26.
Wednesday
A chance of snow. Partly sunny, with a high near 34.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 24.
Thursday
A slight chance of snow. Partly sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Keystone SD
 43.94°N 103.47°W (Elev. 5482 ft)
5:42 pm MST Dec 4, 2025
5pm MST Dec 4, 2025-6pm MST Dec 11, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database