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

Severe Thunderstorms and Heavy Rainfall from the Lower Mississippi Valley to the Mid-Atlantic; Active Pattern Continues in Hawaii

Scattered severe thunderstorms are expected today from the ArkLaTex and Lower Mississippi Valley through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat today from east Texas into New York. A powerful kona storm will continue to impact Hawaii through Saturday, bringing heavy rainfall, strong winds, and severe thunderstorms. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

23°F

-5°C

Humidity 72%
Wind Speed NW 9 mph
Barometer 30.17 in (1026.5 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 11 Mar 8:53 am MDT
Extended Forecast for

Hill City SD

  • Today

    Today: Sunny, with a high near 38. Wind chill values as low as 10. Light and variable wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 29 mph.

    High: 38 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 24. Calm wind becoming west 5 to 7 mph after midnight. Winds could gust as high as 23 mph.

    Low: 24 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of rain after noon. Partly sunny, with a high near 55. West wind 8 to 17 mph, with gusts as high as 44 mph.

    High: 55 °F

    Mostly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain and snow likely, becoming all snow after 7pm. Mostly cloudy, with a low around 25. Northwest wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Friday

    Friday: Snow likely, mainly before noon. Mostly cloudy, with a high near 44. Calm wind becoming southwest around 6 mph in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Snow Likely

  • Friday Night

    Friday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 25. Light and variable wind. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance Snow

  • Saturday

    Saturday: Snow before 1pm, then rain and snow between 1pm and 5pm, then snow after 5pm. High near 46. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%.

    High: 46 °F

    Chance Snow
    then
    Rain/Snow

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times. Mostly cloudy, with a low around 12. Northwest wind 6 to 8 mph, with gusts as high as 28 mph.

    Low: 12 °F

    Heavy Snow

  • Sunday

    Sunday: Snow likely. Partly sunny, with a high near 26.

    High: 26 °F

    Snow Likely

Detailed Forecast

Today
Sunny, with a high near 38. Wind chill values as low as 10. Light and variable wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 29 mph.
Tonight
Mostly clear, with a low around 24. Calm wind becoming west 5 to 7 mph after midnight. Winds could gust as high as 23 mph.
Thursday
A 30 percent chance of rain after noon. Partly sunny, with a high near 55. West wind 8 to 17 mph, with gusts as high as 44 mph.
Thursday Night
Rain and snow likely, becoming all snow after 7pm. Mostly cloudy, with a low around 25. Northwest wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday
Snow likely, mainly before noon. Mostly cloudy, with a high near 44. Calm wind becoming southwest around 6 mph in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 25. Light and variable wind. New snow accumulation of less than a half inch possible.
Saturday
Snow before 1pm, then rain and snow between 1pm and 5pm, then snow after 5pm. High near 46. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
Saturday Night
Snow. The snow could be heavy at times. Mostly cloudy, with a low around 12. Northwest wind 6 to 8 mph, with gusts as high as 28 mph.
Sunday
Snow likely. Partly sunny, with a high near 26.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 11.
Monday
A chance of snow. Mostly cloudy, with a high near 37.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 28.
Tuesday
A slight chance of rain and snow. Partly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hill City SD
 43.93°N 103.56°W (Elev. 5161 ft)
Last Update:
8:57 am MDT Mar 11, 2026
Forecast Valid:
9am MDT Mar 11, 2026-6pm MDT Mar 17, 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