Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Partly Cloudy

27°F

-3°C

Humidity 75%
Wind Speed W 5 mph
Barometer 30.17 in (1024.5 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 30 Jan 3:53 am MST
Extended Forecast for

2 Miles WNW Custer SD

  • Overnight

    Overnight: A 20 percent chance of snow after 5am.  Mostly cloudy, with a steady temperature around 29. Calm wind.

    Low: 29 °F

    Slight Chance
    Snow

  • Friday

    Friday: A 30 percent chance of snow, mainly after 8am.  Cloudy, with a temperature rising to near 28 by 11am, then falling to around 20 during the remainder of the day. Wind chill values as low as 15. Calm wind becoming northeast around 6 mph in the morning.

    High: 28 °F

    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow after 11pm.  Mostly cloudy, with a temperature rising to around 27 by 5am. Southwest wind 3 to 6 mph. Winds could gust as high as 15 mph.

    Low: 18 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A 40 percent chance of snow before 11am.  Mostly cloudy through mid morning, then becoming sunny, with a high near 42. Northwest wind 6 to 15 mph, with gusts as high as 34 mph.  Little or no snow accumulation expected.

    High: 42 °F

    Chance Snow
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28. Northwest wind around 10 mph, with gusts as high as 28 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 47. Northwest wind 3 to 8 mph. Winds could gust as high as 21 mph.

    High: 47 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28. Calm wind becoming northwest around 6 mph after midnight.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 47. Northwest wind 7 to 10 mph, with gusts as high as 26 mph.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow after 5am. Mostly cloudy, with a steady temperature around 29. Calm wind.
Friday
A 30 percent chance of snow, mainly after 8am. Cloudy, with a temperature rising to near 28 by 11am, then falling to around 20 during the remainder of the day. Wind chill values as low as 15. Calm wind becoming northeast around 6 mph in the morning.
Friday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a temperature rising to around 27 by 5am. Southwest wind 3 to 6 mph. Winds could gust as high as 15 mph.
Saturday
A 40 percent chance of snow before 11am. Mostly cloudy through mid morning, then becoming sunny, with a high near 42. Northwest wind 6 to 15 mph, with gusts as high as 34 mph. Little or no snow accumulation expected.
Saturday Night
Mostly clear, with a low around 28. Northwest wind around 10 mph, with gusts as high as 28 mph.
Sunday
Mostly sunny, with a high near 47. Northwest wind 3 to 8 mph. Winds could gust as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 28. Calm wind becoming northwest around 6 mph after midnight.
Monday
Mostly sunny, with a high near 47. Northwest wind 7 to 10 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
A slight chance of snow after 11am. Mostly sunny, with a high near 38.
Tuesday Night
A slight chance of snow. Partly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Custer SD
 43.78°N 103.63°W (Elev. 5600 ft)
4:22 am MST Jan 30, 2026
4am MST Jan 30, 2026-6pm MST Feb 5, 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