Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East; Severe Storm Threat in the Gulf States Sunday

A significant winter storm is underway, bringing widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Extremely cold air will follow, prolonging dangerous travel and infrastructure impacts into next week. Severe thunderstorms may produce damaging gusts and tornadoes across the eastern Gulf Coast states Sunday morning and afternoon. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Mostly Cloudy

-2°F

-19°C

Humidity 91%
Wind Speed Calm
Barometer 29.90 in (1022.4 mb)
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Last update 25 Jan 4:53 am MST
Extended Forecast for

10 Miles W Custer County Airport SD

  • Overnight

    Overnight: A 20 percent chance of snow.  Partly cloudy, with a low around -3. Wind chill values as low as -15. North wind around 6 mph, with gusts as high as 15 mph.

    Low: -3 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A 20 percent chance of snow before 11am.  Mostly sunny, with a high near 5. Wind chill values as low as -15. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 5 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a temperature rising to around 6 by 5am. Wind chill values as low as -21. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: -6 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 31. Wind chill values as low as -7. West wind 11 to 16 mph, with gusts as high as 33 mph.

    High: 31 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 16. Northwest wind 10 to 13 mph, with gusts as high as 26 mph.

    Low: 16 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 32. Northwest wind 9 to 13 mph, with gusts as high as 26 mph.

    High: 32 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 19. Northwest wind around 11 mph, with gusts as high as 24 mph.

    Low: 19 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 36. Northwest wind 8 to 11 mph, with gusts as high as 24 mph.

    High: 36 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow. Partly cloudy, with a low around -3. Wind chill values as low as -15. North wind around 6 mph, with gusts as high as 15 mph.
Sunday
A 20 percent chance of snow before 11am. Mostly sunny, with a high near 5. Wind chill values as low as -15. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a temperature rising to around 6 by 5am. Wind chill values as low as -21. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 31. Wind chill values as low as -7. West wind 11 to 16 mph, with gusts as high as 33 mph.
Monday Night
Partly cloudy, with a low around 16. Northwest wind 10 to 13 mph, with gusts as high as 26 mph.
Tuesday
Partly sunny, with a high near 32. Northwest wind 9 to 13 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 19. Northwest wind around 11 mph, with gusts as high as 24 mph.
Wednesday
Sunny, with a high near 36. Northwest wind 8 to 11 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 19.
Thursday
Partly sunny, with a high near 35.
Thursday Night
Mostly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 34.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Mostly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles W Custer County Airport SD
 43.75°N 103.81°W (Elev. 6001 ft)
7:02 pm MST Jan 24, 2026
5am MST Jan 25, 2026-6pm MST Jan 31, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database