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

6°F

-14°C

Humidity 31%
Wind Speed W 12 mph
Barometer 29.92 in (1023.7 mb)
Dewpoint -18°F (-28°C)
Visibility 10.00 mi
Wind Chill-10°F (-23°C)
Last update 26 Jan 2:53 am MST
Extended Forecast for

Mount Rushmore SD

  • Overnight

    Overnight: Mostly clear, with a low around -10. West wind around 8 mph, with gusts as high as 20 mph.

    Low: -10 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 36. Wind chill values as low as -2. West wind 9 to 11 mph, with gusts as high as 36 mph.

    High: 36 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18. West wind 5 to 7 mph becoming calm  after midnight. Winds could gust as high as 22 mph.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 36. Wind chill values as low as 19. Calm wind.

    High: 36 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a steady temperature around 29. West wind 3 to 5 mph. Winds could gust as high as 15 mph.

    Low: 29 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 43. Light west wind.

    High: 43 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of snow, mainly after 11am.  Partly sunny, with a high near 37. Calm wind becoming northwest around 5 mph. Winds could gust as high as 16 mph.

    High: 37 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow, mainly after 11pm.  Mostly cloudy, with a low around 20.

    Low: 20 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly clear, with a low around -10. West wind around 8 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 36. Wind chill values as low as -2. West wind 9 to 11 mph, with gusts as high as 36 mph.
Monday Night
Partly cloudy, with a low around 18. West wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 22 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 36. Wind chill values as low as 19. Calm wind.
Tuesday Night
Mostly clear, with a steady temperature around 29. West wind 3 to 5 mph. Winds could gust as high as 15 mph.
Wednesday
Partly sunny, with a high near 43. Light west wind.
Wednesday Night
Mostly cloudy, with a low around 26. Calm wind.
Thursday
A chance of snow, mainly after 11am. Partly sunny, with a high near 37. Calm wind becoming northwest around 5 mph. Winds could gust as high as 16 mph.
Thursday Night
A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 20.
Friday
A chance of snow. Partly sunny, with a high near 36.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 26.
Saturday
A slight chance of snow. Partly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Rushmore SD
 43.87°N 103.46°W (Elev. 5000 ft)
2:21 am MST Jan 26, 2026
3am MST Jan 26, 2026-6pm MST Feb 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database