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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Partly Cloudy

23°F

-5°C

Humidity 42%
Wind Speed W 10 G 16 mph
Barometer 30.14 in (1025.6 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 9 Jan 2:53 pm MST
Extended Forecast for

4 Miles ESE Custer County Airport SD

  • Tonight

    Tonight: Partly cloudy, with a temperature rising to around 27 by 5am. Wind chill values as low as 10. West wind 10 to 14 mph, with gusts as high as 20 mph.

    Low: 23 °F⇑

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow. Mostly sunny, with a high near 38. Wind chill values as low as 14. Northwest wind 11 to 17 mph, with gusts as high as 24 mph.

    High: 38 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a steady temperature around 36. West wind around 11 mph, with gusts as high as 16 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 49. West wind 8 to 10 mph, with gusts as high as 25 mph.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32. West wind around 10 mph, with gusts as high as 22 mph.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 52. West wind 10 to 13 mph, with gusts as high as 28 mph.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39. Northwest wind 13 to 17 mph, with gusts as high as 34 mph.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain after 11am. Partly sunny, with a high near 48. Northwest wind 15 to 18 mph, with gusts as high as 37 mph.

    High: 48 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow before 9pm, then a slight chance of snow between 9pm and 11pm. Partly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a temperature rising to around 27 by 5am. Wind chill values as low as 10. West wind 10 to 14 mph, with gusts as high as 20 mph.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 38. Wind chill values as low as 14. Northwest wind 11 to 17 mph, with gusts as high as 24 mph.
Saturday Night
Partly cloudy, with a steady temperature around 36. West wind around 11 mph, with gusts as high as 16 mph.
Sunday
Mostly sunny, with a high near 49. West wind 8 to 10 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 32. West wind around 10 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 52. West wind 10 to 13 mph, with gusts as high as 28 mph.
Monday Night
Mostly cloudy, with a low around 39. Northwest wind 13 to 17 mph, with gusts as high as 34 mph.
Tuesday
A slight chance of rain after 11am. Partly sunny, with a high near 48. Northwest wind 15 to 18 mph, with gusts as high as 37 mph.
Tuesday Night
A slight chance of rain and snow before 9pm, then a slight chance of snow between 9pm and 11pm. Partly cloudy, with a low around 34.
Wednesday
Mostly sunny, with a high near 47.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
Sunny, with a high near 44.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 21. Blustery.
Friday
A slight chance of snow. Partly sunny, with a high near 29. Blustery.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Custer County Airport SD
 43.72°N 103.54°W (Elev. 5351 ft)
Last Update:
1:21 pm MST Jan 9, 2026
Forecast Valid:
3pm MST Jan 9, 2026-6pm MST Jan 16, 2026
 
Forecast Discussion
 
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Additional Resources

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