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

22°F

-6°C

Humidity 71%
Wind Speed W 6 mph
Barometer 29.88 in (1017.7 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 4 Dec 7:53 am MST
Extended Forecast for

4 Miles NW Keystone SD

  • Today

    Today: Mostly sunny, with a high near 34. Wind chill values as low as 20. Northwest wind around 8 mph, with gusts as high as 23 mph.

    High: 34 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of snow after 11pm.  Mostly cloudy, with a steady temperature around 26. Wind chill values as low as 15. West wind 8 to 10 mph, with gusts as high as 23 mph.

    Low: 26 °F

    Slight Chance
    Snow

  • Friday

    Friday: Mostly sunny, with a high near 33. Wind chill values as low as 15. Northwest wind 6 to 10 mph, with gusts as high as 26 mph.

    High: 33 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow after 11pm.  Mostly cloudy, with a steady temperature around 23. Wind chill values as low as 14. South wind around 7 mph, with gusts as high as 15 mph.

    Low: 23 °F

    Chance Snow

  • Saturday

    Saturday: A 50 percent chance of snow.  Mostly cloudy, with a temperature rising to near 26 by 11am, then falling to around 18 during the remainder of the day. North wind around 6 mph, with gusts as high as 18 mph.  New snow accumulation of less than a half inch possible.

    High: 26 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow.  Mostly cloudy, with a low around 12. Southwest wind 3 to 6 mph. Winds could gust as high as 15 mph.

    Low: 12 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 34. West wind around 8 mph, with gusts as high as 24 mph.

    High: 34 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23. West wind 7 to 11 mph, with gusts as high as 24 mph.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 34. Wind chill values as low as 20. Northwest wind around 8 mph, with gusts as high as 23 mph.
Tonight
A 20 percent chance of snow after 11pm. Mostly cloudy, with a steady temperature around 26. Wind chill values as low as 15. West wind 8 to 10 mph, with gusts as high as 23 mph.
Friday
Mostly sunny, with a high near 33. Wind chill values as low as 15. Northwest wind 6 to 10 mph, with gusts as high as 26 mph.
Friday Night
A 30 percent chance of snow after 11pm. Mostly cloudy, with a steady temperature around 23. Wind chill values as low as 14. South wind around 7 mph, with gusts as high as 15 mph.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a temperature rising to near 26 by 11am, then falling to around 18 during the remainder of the day. North wind around 6 mph, with gusts as high as 18 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 12. Southwest wind 3 to 6 mph. Winds could gust as high as 15 mph.
Sunday
Mostly sunny, with a high near 34. West wind around 8 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 23. West wind 7 to 11 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
A slight chance of rain and snow. 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 35.
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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 am MST Dec 4, 2025
8am MST Dec 4, 2025-6pm MST Dec 10, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database