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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fog/Mist

23°F

-5°C

Humidity 96%
Wind Speed Vrbl 5 mph
Barometer 29.91 in (1015.5 mb)
Dewpoint 22°F (-6°C)
Visibility 1.00 mi
Wind Chill17°F (-8°C)
Last update 6 Dec 11:53 pm MST
Extended Forecast for

5 Miles SE Keystone SD

  • Overnight

    Overnight: Mostly cloudy, with a temperature rising to around 24 by 5am. South wind 3 to 6 mph.

    Low: 19 °F⇑

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 41. Wind chill values as low as 18. Northwest wind 7 to 11 mph, with gusts as high as 28 mph.

    High: 41 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a temperature falling to near 29 by 11pm, then rising to around 35 during the remainder of the night. West wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: 29 °F⇑

    Partly Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 47. West wind 8 to 10 mph, with gusts as high as 26 mph.

    High: 47 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature falling to near 34 by 9pm, then rising to around 43 during the remainder of the night. Breezy, with a west wind 9 to 14 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 36 mph.

    Low: 34 °F⇑

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday

    Tuesday: A chance of rain after 11am, mixing with snow after 4pm. Partly sunny, with a temperature rising to near 51 by noon, then falling to around 40 during the remainder of the day. Breezy, with a west wind 23 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 51 °F⇓

    Breezy.
    Chance Rain
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 29. Blustery, with a northwest wind 14 to 23 mph, with gusts as high as 41 mph.

    Low: 29 °F

    Chance Snow
    and Blustery

  • Wednesday

    Wednesday: A chance of snow before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 42. Southwest wind 11 to 13 mph, with gusts as high as 21 mph.

    High: 42 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly cloudy, with a temperature rising to around 24 by 5am. South wind 3 to 6 mph.
Sunday
Sunny, with a high near 41. Wind chill values as low as 18. Northwest wind 7 to 11 mph, with gusts as high as 28 mph.
Sunday Night
Partly cloudy, with a temperature falling to near 29 by 11pm, then rising to around 35 during the remainder of the night. West wind 7 to 10 mph, with gusts as high as 22 mph.
Monday
Increasing clouds, with a high near 47. West wind 8 to 10 mph, with gusts as high as 26 mph.
Monday Night
Mostly cloudy, with a temperature falling to near 34 by 9pm, then rising to around 43 during the remainder of the night. Breezy, with a west wind 9 to 14 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 36 mph.
Tuesday
A chance of rain after 11am, mixing with snow after 4pm. Partly sunny, with a temperature rising to near 51 by noon, then falling to around 40 during the remainder of the day. Breezy, with a west wind 23 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 29. Blustery, with a northwest wind 14 to 23 mph, with gusts as high as 41 mph.
Wednesday
A chance of snow before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 42. Southwest wind 11 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 25.
Thursday
A chance of snow. Partly sunny, with a high near 32.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 13.
Friday
A slight chance of snow. Partly sunny, with a high near 23.
Friday Night
Mostly cloudy, with a low around 11.
Saturday
Mostly sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Keystone SD
 43.83°N 103.37°W (Elev. 4400 ft)
Last Update:
10:01 pm MST Dec 6, 2025
Forecast Valid:
12am MST Dec 7, 2025-6pm MST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation