National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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.

Overcast

30°F

-1°C

Humidity 66%
Wind Speed NW 7 mph
Barometer 30.16 in (1024.4 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 29 Jan 6:53 pm MST
Extended Forecast for

Hill City SD

  • Tonight

    Tonight: Snow likely, mainly after 5am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 19. Calm wind. Winds could gust as high as 16 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 19 °F

    Snow Likely
    and Patchy
    Fog

  • Friday

    Friday: Snow likely, mainly before 8am. Patchy fog before 8am. Otherwise, cloudy, with a high near 30. Light and variable wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 30 °F

    Snow Likely
    and Patchy
    Fog

  • Friday Night

    Friday Night: A 20 percent chance of snow after 11pm. Mostly cloudy, with a temperature falling to near 19 by 9pm, then rising to around 30 during the remainder of the night. Calm wind. Winds could gust as high as 15 mph.

    Low: 19 °F⇑

    Slight Chance
    Snow

  • Saturday

    Saturday: A chance of rain and snow before noon, then a slight chance of rain between noon and 1pm, then a slight chance of rain and snow after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 44. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 31 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. Northwest wind around 6 mph, with gusts as high as 26 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 46. Northwest wind around 5 mph becoming calm in the morning. Winds could gust as high as 20 mph.

    High: 46 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 47. Calm wind becoming northwest around 6 mph in the morning. Winds could gust as high as 22 mph.

    High: 47 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of snow after 11pm. Partly cloudy, with a low around 26.

    Low: 26 °F

    Slight Chance
    Snow

Detailed Forecast

Tonight
Snow likely, mainly after 5am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 19. Calm wind. Winds could gust as high as 16 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly before 8am. Patchy fog before 8am. Otherwise, cloudy, with a high near 30. Light and variable wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a temperature falling to near 19 by 9pm, then rising to around 30 during the remainder of the night. Calm wind. Winds could gust as high as 15 mph.
Saturday
A chance of rain and snow before noon, then a slight chance of rain between noon and 1pm, then a slight chance of rain and snow after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 44. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 31 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday Night
Mostly clear, with a low around 29. Northwest wind around 6 mph, with gusts as high as 26 mph.
Sunday
Mostly sunny, with a high near 46. Northwest wind around 5 mph becoming calm in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 26. Calm wind.
Monday
Partly sunny, with a high near 47. Calm wind becoming northwest around 6 mph in the morning. Winds could gust as high as 22 mph.
Monday Night
A slight chance of snow after 11pm. Partly cloudy, with a low around 26.
Tuesday
A slight chance of snow after 11am. Mostly sunny, with a high near 39.
Tuesday Night
A slight chance of snow. Partly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 39.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
Sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hill City SD
 43.93°N 103.59°W (Elev. 5200 ft)
Last Update:
5:47 pm MST Jan 29, 2026
Forecast Valid:
7pm MST Jan 29, 2026-6pm MST Feb 5, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation