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

High-Impact and Far-Reaching Winter Storm Continues; Cold Expands and Persists

A major winter storm will shift its impacts into the Northeast U.S. with heavy snow through tonight while over the Mid-Atlantic, sleet and freezing rain will diminish. Extremely cold air behind the storm will prolong dangerous travel and infrastructure impacts. Sub-zero low temperatures are expected nearly every morning from the Northern Plains through the Ohio Valley and into the Northeast. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

1°F

-17°C

Humidity 38%
Wind Speed W 8 mph
Barometer 29.94 in (1024.2 mb)
Dewpoint -19°F (-28°C)
Visibility 10.00 mi
Wind Chill-13°F (-25°C)
Last update 26 Jan 12:53 am MST
Extended Forecast for

4 Miles WSW Mount Rushmore SD

  • Overnight

    Overnight: Mostly clear, with a low around -10. West wind 11 to 14 mph, with gusts as high as 32 mph.

    Low: -10 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 33. Wind chill values as low as -4. West wind 11 to 16 mph, with gusts as high as 37 mph.

    High: 33 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14. Wind chill values as low as 7. Northwest wind 6 to 10 mph, with gusts as high as 26 mph.

    Low: 14 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 30. Wind chill values as low as 7. Northwest wind around 6 mph, with gusts as high as 20 mph.

    High: 30 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a steady temperature around 23. West wind 7 to 10 mph, with gusts as high as 26 mph.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37. West wind 5 to 10 mph becoming light in the afternoon. Winds could gust as high as 23 mph.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 20. West wind 5 to 7 mph, with gusts as high as 17 mph.

    Low: 20 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of snow after 11am. Partly sunny, with a high near 32. Northwest wind around 7 mph, with gusts as high as 20 mph.

    High: 32 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 13.

    Low: 13 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly clear, with a low around -10. West wind 11 to 14 mph, with gusts as high as 32 mph.
Monday
Sunny, with a high near 33. Wind chill values as low as -4. West wind 11 to 16 mph, with gusts as high as 37 mph.
Monday Night
Partly cloudy, with a low around 14. Wind chill values as low as 7. Northwest wind 6 to 10 mph, with gusts as high as 26 mph.
Tuesday
Partly sunny, with a high near 30. Wind chill values as low as 7. Northwest wind around 6 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a steady temperature around 23. West wind 7 to 10 mph, with gusts as high as 26 mph.
Wednesday
Mostly sunny, with a high near 37. West wind 5 to 10 mph becoming light in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
Mostly cloudy, with a low around 20. West wind 5 to 7 mph, with gusts as high as 17 mph.
Thursday
A slight chance of snow after 11am. Partly sunny, with a high near 32. Northwest wind around 7 mph, with gusts as high as 20 mph.
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 31.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
A slight chance of snow. Partly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Mount Rushmore SD
 43.85°N 103.52°W (Elev. 6109 ft)
Last Update:
10:41 pm MST Jan 25, 2026
Forecast Valid:
1am MST Jan 26, 2026-6pm MST Feb 1, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation