Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

-11°F

-24°C

Humidity 91%
Wind Speed NW 3 mph
Barometer 29.96 in (1027.9 mb)
Dewpoint -13°F (-25°C)
Visibility 10.00 mi
Last update 24 Jan 3:53 am MST
Extended Forecast for

4 Miles WSW Mount Rushmore SD

Cold Weather Advisory until January 24, 11:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 24, 11:00am

    NOW until 11:00am Sat

    Cold Weather Advisory

  • Overnight

    Low: -6 °F

    Chance
    Flurries

  • Saturday

    Saturday: Mostly sunny, with a high near 14. Wind chill values as low as -22. West wind 6 to 9 mph, with gusts as high as 21 mph.

    High: 14 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of flurries before 11pm, then a slight chance of snow after 11pm.  Mostly cloudy, with a low around -8. Wind chill values as low as -20. West wind around 9 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    Low: -8 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A 20 percent chance of snow.  Mostly sunny, with a high near 3. Wind chill values as low as -24. Northwest wind 6 to 8 mph, with gusts as high as 18 mph.

    High: 3 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a temperature rising to around 10 by 5am. Breezy, with a west wind 8 to 13 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 28 mph.

    Low: -5 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Monday

    Monday: Sunny, with a high near 32. Breezy, with a west wind 15 to 20 mph, with gusts as high as 32 mph.

    High: 32 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17. West wind 13 to 17 mph, with gusts as high as 28 mph.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 31. Northwest wind 8 to 10 mph, with gusts as high as 23 mph.

    High: 31 °F

    Mostly Sunny

Detailed Forecast

Overnight
A chance of flurries. Mostly clear, with a steady temperature around -6. Wind chill values as low as -23. Northwest wind around 7 mph.
Saturday
Mostly sunny, with a high near 14. Wind chill values as low as -22. West wind 6 to 9 mph, with gusts as high as 21 mph.
Saturday Night
A chance of flurries before 11pm, then a slight chance of snow after 11pm. Mostly cloudy, with a low around -8. Wind chill values as low as -20. West wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 3. Wind chill values as low as -24. Northwest wind 6 to 8 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a temperature rising to around 10 by 5am. Breezy, with a west wind 8 to 13 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 28 mph.
Monday
Sunny, with a high near 32. Breezy, with a west wind 15 to 20 mph, with gusts as high as 32 mph.
Monday Night
Partly cloudy, with a low around 17. West wind 13 to 17 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 31. Northwest wind 8 to 10 mph, with gusts as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Mostly sunny, with a high near 34.
Wednesday Night
Partly cloudy, with a low around 17.
Thursday
Partly sunny, with a high near 30.
Thursday Night
Mostly cloudy, with a low around 13.
Friday
Mostly sunny, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Mount Rushmore SD
 43.87°N 103.52°W (Elev. 6148 ft)
3:36 am MST Jan 24, 2026
4am MST Jan 24, 2026-6pm MST Jan 30, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database