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.

Fair

18°F

-8°C

Humidity 68%
Wind Speed W 6 mph
Barometer 30.15 in (1026.5 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 9 Jan 11:53 pm MST
Extended Forecast for

4 Miles SSE Keystone SD

  • Overnight

    Overnight: Partly cloudy, with a low around 25. Wind chill values as low as 16. Northwest wind 10 to 14 mph, with gusts as high as 34 mph.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 42. Wind chill values as low as 20. Northwest wind 10 to 15 mph, with gusts as high as 21 mph.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a steady temperature around 37. Northwest wind 8 to 10 mph.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 54. West wind 7 to 10 mph, with gusts as high as 24 mph.

    High: 54 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37. West wind 7 to 9 mph, with gusts as high as 21 mph.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 58. West wind 10 to 13 mph, with gusts as high as 30 mph.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44. Northwest wind 11 to 17 mph, with gusts as high as 38 mph.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 52. Northwest wind 15 to 18 mph, with gusts as high as 43 mph.

    High: 52 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 25. Wind chill values as low as 16. Northwest wind 10 to 14 mph, with gusts as high as 34 mph.
Saturday
Mostly sunny, with a high near 42. Wind chill values as low as 20. Northwest wind 10 to 15 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a steady temperature around 37. Northwest wind 8 to 10 mph.
Sunday
Mostly sunny, with a high near 54. West wind 7 to 10 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 37. West wind 7 to 9 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 58. West wind 10 to 13 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 44. Northwest wind 11 to 17 mph, with gusts as high as 38 mph.
Tuesday
Partly sunny, with a high near 52. Northwest wind 15 to 18 mph, with gusts as high as 43 mph.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 49.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 25. Blustery.
Friday
A slight chance of snow. Partly sunny, with a high near 32. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Keystone SD
 43.83°N 103.37°W (Elev. 4400 ft)
Last Update:
12:07 am MST Jan 10, 2026
Forecast Valid:
12am MST Jan 10, 2026-6pm MST Jan 16, 2026
 
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Additional Resources

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