Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Mostly Cloudy

32°F

0°C

Humidity 66%
Wind Speed NW 7 mph
Barometer 30.12 in (1022.9 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 29 Jan 3:53 pm MST
Extended Forecast for

5 Miles E Custer SD

  • This Afternoon

    This Afternoon: A 30 percent chance of snow, mainly after 5pm.  Mostly cloudy, with a steady temperature around 32. Northwest wind around 6 mph.

    High: 32 °F

    Chance Snow

  • Tonight

    Tonight: A 30 percent chance of snow, mainly before 8pm.  Mostly cloudy, with a low around 17. Light west wind.

    Low: 17 °F

    Chance Snow

  • Friday

    Friday: Snow likely, mainly before 11am.  Patchy fog before 11am.  Otherwise, cloudy, with a high near 27. Wind chill values as low as 17. Calm wind becoming east around 5 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 27 °F

    Snow Likely
    and Patchy
    Fog

  • Friday Night

    Friday Night: Mostly cloudy, with a temperature rising to around 28 by 5am. Calm wind becoming west around 6 mph after midnight. Winds could gust as high as 16 mph.

    Low: 18 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain and snow before 4pm, then a slight chance of snow.  Mostly cloudy, then gradually becoming sunny, with a high near 46. Northwest wind 6 to 11 mph, with gusts as high as 30 mph.  Chance of precipitation is 30%.

    High: 46 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. Northwest wind around 8 mph, with gusts as high as 24 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 47. Northwest wind around 6 mph becoming calm  in the afternoon. Winds could gust as high as 17 mph.

    High: 47 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 26. Light west wind.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of snow, mainly after 5pm. Mostly cloudy, with a steady temperature around 32. Northwest wind around 6 mph.
Tonight
A 30 percent chance of snow, mainly before 8pm. Mostly cloudy, with a low around 17. Light west wind.
Friday
Snow likely, mainly before 11am. Patchy fog before 11am. Otherwise, cloudy, with a high near 27. Wind chill values as low as 17. Calm wind becoming east around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
Mostly cloudy, with a temperature rising to around 28 by 5am. Calm wind becoming west around 6 mph after midnight. Winds could gust as high as 16 mph.
Saturday
A chance of rain and snow before 4pm, then a slight chance of snow. Mostly cloudy, then gradually becoming sunny, with a high near 46. Northwest wind 6 to 11 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 29. Northwest wind around 8 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 47. Northwest wind around 6 mph becoming calm in the afternoon. Winds could gust as high as 17 mph.
Sunday Night
Mostly cloudy, with a low around 26. Light west wind.
Monday
Partly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
A slight chance of snow. Mostly sunny, with a high near 40.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Mostly clear, with a low around 25.
Thursday
Mostly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Custer SD
 43.76°N 103.51°W (Elev. 5249 ft)
4:22 pm MST Jan 29, 2026
4pm MST Jan 29, 2026-6pm MST Feb 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database