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 >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Overcast

-3°F

-19°C

Humidity 75%
Wind Speed S 7 mph
Barometer 30.18 in (1034.0 mb)
Dewpoint -9°F (-23°C)
Visibility 10.00 mi
Wind Chill-17°F (-27°C)
Last update 23 Jan 10:53 am MST
Extended Forecast for

5 Miles NNW Custer SD

  • Today

    Today: Snow likely, mainly before 2pm.  Cloudy and cold, with a temperature falling to around -5 by 5pm. Wind chill values as low as -12. Calm wind becoming south around 5 mph. Winds could gust as high as 15 mph.  Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: -1 °F

    Snow Likely

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around -15. Calm wind.

    Low: -15 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 16. Wind chill values as low as -11. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 16 °F

    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly after 11pm.  Partly cloudy, with a low around -8. Light northwest wind. Winds could gust as high as 15 mph.

    Low: -8 °F

    Chance Snow

  • Sunday

    Sunday: A 30 percent chance of snow, mainly before 11am.  Mostly sunny, with a high near 8. Calm wind becoming northwest around 6 mph. Winds could gust as high as 18 mph.

    High: 8 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a temperature rising to around 11 by 5am. Calm wind becoming west 5 to 8 mph in the evening. Winds could gust as high as 26 mph.

    Low: -2 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 34. West wind 8 to 10 mph, with gusts as high as 29 mph.

    High: 34 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14. Northwest wind around 6 mph, with gusts as high as 22 mph.

    Low: 14 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

Detailed Forecast

Today
Snow likely, mainly before 2pm. Cloudy and cold, with a temperature falling to around -5 by 5pm. Wind chill values as low as -12. Calm wind becoming south around 5 mph. Winds could gust as high as 15 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around -15. Calm wind.
Saturday
Sunny, with a high near 16. Wind chill values as low as -11. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
A 30 percent chance of snow, mainly after 11pm. Partly cloudy, with a low around -8. Light northwest wind. Winds could gust as high as 15 mph.
Sunday
A 30 percent chance of snow, mainly before 11am. Mostly sunny, with a high near 8. Calm wind becoming northwest around 6 mph. Winds could gust as high as 18 mph.
Sunday Night
Mostly clear, with a temperature rising to around 11 by 5am. Calm wind becoming west 5 to 8 mph in the evening. Winds could gust as high as 26 mph.
Monday
Sunny, with a high near 34. West wind 8 to 10 mph, with gusts as high as 29 mph.
Monday Night
Partly cloudy, with a low around 14. Northwest wind around 6 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny, with a high near 31.
Tuesday Night
A chance of snow, mainly after 11pm. Partly cloudy, with a low around 11.
Wednesday
A slight chance of snow. Mostly sunny, with a high near 29.
Wednesday Night
Partly cloudy, with a low around 10.
Thursday
Partly sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Custer SD
 43.84°N 103.64°W (Elev. 5600 ft)
9:22 am MST Jan 23, 2026
11am MST Jan 23, 2026-6pm MST Jan 29, 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