Winter Weather Continues in the Northeast; Frigid Temperatures for the Central and Eastern U.S.

The major winter storm will continue to impact the Northeast U.S. today with heavy snow as it shifts away from the East Coast. Frigid temperatures will impact the eastern two-thirds of the U.S. this week, and numerous record lows are forecast. Sub-zero lows 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 and Breezy

32°F

0°C

Humidity 25%
Wind Speed W 21 G 28 mph
Barometer 29.91 in (1018.8 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 26 Jan 1:53 pm MST
Extended Forecast for

3 Miles NNE Keystone SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 38. Northwest wind 9 to 11 mph, with gusts as high as 34 mph.

    High: 38 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 15. West wind around 6 mph becoming calm  in the evening. Winds could gust as high as 17 mph.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 36. Wind chill values as low as 17. Calm wind becoming northwest around 5 mph. Winds could gust as high as 18 mph.

    High: 36 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a steady temperature around 27. Wind chill values as low as 19. West wind 3 to 6 mph. Winds could gust as high as 16 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 40. Light and variable wind becoming northeast around 5 mph.

    High: 40 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after 11pm.  Mostly cloudy, with a steady temperature around 25. Calm wind.

    Low: 25 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: A 40 percent chance of snow, mainly after 11am.  Mostly cloudy, with a high near 35. Northwest wind 3 to 6 mph. Winds could gust as high as 21 mph.

    High: 35 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow.  Mostly cloudy, with a low around 12. Calm wind.

    Low: 12 °F

    Chance Snow

  • Friday

    Friday: A chance of snow, mainly before 11am.  Partly sunny, with a high near 27.

    High: 27 °F

    Chance Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 38. Northwest wind 9 to 11 mph, with gusts as high as 34 mph.
Tonight
Partly cloudy, with a low around 15. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Tuesday
Partly sunny, with a high near 36. Wind chill values as low as 17. Calm wind becoming northwest around 5 mph. Winds could gust as high as 18 mph.
Tuesday Night
Mostly clear, with a steady temperature around 27. Wind chill values as low as 19. West wind 3 to 6 mph. Winds could gust as high as 16 mph.
Wednesday
Increasing clouds, with a high near 40. Light and variable wind becoming northeast around 5 mph.
Wednesday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a steady temperature around 25. Calm wind.
Thursday
A 40 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 35. Northwest wind 3 to 6 mph. Winds could gust as high as 21 mph.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 12. Calm wind.
Friday
A chance of snow, mainly before 11am. Partly sunny, with a high near 27.
Friday Night
A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 17.
Saturday
A chance of rain and snow. Partly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Keystone SD
 43.92°N 103.41°W (Elev. 4708 ft)
12:21 pm MST Jan 26, 2026
2pm MST Jan 26, 2026-6pm MST Feb 1, 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