Major Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold in the North-Central U.S.

A large, long-duration winter storm is expected to bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies/Plains into the Mid-South beginning Friday, spreading eastward to the Mid-Atlantic and New England this weekend. An Arctic front will bring frigid temperatures and gusty winds that will lead to dangerous wind chills from the Northern Plains and Upper Midwest. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Mostly Cloudy

20°F

-7°C

Humidity 50%
Wind Speed NW 13 G 23 mph
Barometer 30.04 in (1023.9 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 22 Jan 11:53 am MST
Extended Forecast for

4 Miles WSW Mount Rushmore SD

  • This Afternoon

    This Afternoon: Partly sunny, with a temperature falling to around 8 by 5pm. Wind chill values as low as -2. Northwest wind around 6 mph, with gusts as high as 18 mph.

    High: 19 °F

    Partly Sunny

  • Tonight

    Tonight: A 50 percent chance of snow, mainly after 11pm.  Mostly cloudy, with a low around -14. Wind chill values as low as -26. North wind around 7 mph becoming southeast after midnight. Winds could gust as high as 17 mph.  New snow accumulation of less than a half inch possible.

    Low: -14 °F

    Chance Snow

  • Friday

    Friday: Snow.  High near 0. Wind chill values as low as -28. Southeast wind around 6 mph, with gusts as high as 17 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 0 °F

    Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow before 11pm.  Mostly cloudy, then gradually becoming mostly clear, with a steady temperature around -6. Wind chill values as low as -20. West wind around 6 mph.

    Low: -6 °F

    Chance Snow
    then Mostly
    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 11. West wind around 6 mph, with gusts as high as 20 mph.

    High: 11 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after 11pm.  Partly cloudy, with a low around 0. Northwest wind around 7 mph, with gusts as high as 18 mph.

    Low: 0 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A 20 percent chance of snow before 11am.  Mostly sunny, with a high near 14. Northwest wind around 7 mph, with gusts as high as 21 mph.

    High: 14 °F

    Slight Chance
    Snow then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 3. West wind 7 to 11 mph, with gusts as high as 28 mph.

    Low: 3 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a temperature falling to around 8 by 5pm. Wind chill values as low as -2. Northwest wind around 6 mph, with gusts as high as 18 mph.
Tonight
A 50 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around -14. Wind chill values as low as -26. North wind around 7 mph becoming southeast after midnight. Winds could gust as high as 17 mph. New snow accumulation of less than a half inch possible.
Friday
Snow. High near 0. Wind chill values as low as -28. Southeast wind around 6 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Friday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a steady temperature around -6. Wind chill values as low as -20. West wind around 6 mph.
Saturday
Mostly sunny, with a high near 11. West wind around 6 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 0. Northwest wind around 7 mph, with gusts as high as 18 mph.
Sunday
A 20 percent chance of snow before 11am. Mostly sunny, with a high near 14. Northwest wind around 7 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 3. West wind 7 to 11 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
A slight chance of snow. Partly cloudy, with a low around 15.
Wednesday
Mostly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Mount Rushmore SD
 43.85°N 103.52°W (Elev. 6109 ft)
9:27 am MST Jan 22, 2026
12pm MST Jan 22, 2026-6pm MST Jan 28, 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