Severe Thunderstorms in the Ohio Valley and Mid-Atlantic; Heat Continuing in the Central U.S.

Widespread strong to severe thunderstorms are expected from the Upper Ohio Valley into the Mid-Atlantic through Friday, with damaging winds as the primary threat. Dangerous heat will continue from the South-Central U.S. to the Midwest, Ohio/Tennessee valleys, and Mid-Atlantic. Widespread Major to Extreme Heat Risk is forecast into the weekend and will confine to the South-Central U.S. by Labor Day Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

60°F

16°C

Humidity 24%
Wind Speed Calm
Barometer 30.03 in (1010.2 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 3 Sep 9:53 pm MDT
Extended Forecast for

Hill City SD

  • Tonight

    Tonight: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. South wind around 5 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 89. Calm wind becoming south around 5 mph. Winds could gust as high as 16 mph.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63. Southeast wind around 6 mph becoming calm  in the evening.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after noon.  Increasing clouds, with a high near 86. Calm wind becoming southeast around 5 mph. Winds could gust as high as 18 mph.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 62. Chance of precipitation is 50%.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Labor Day

    Labor Day: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 58. Calm wind.
Friday
Sunny, with a high near 89. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 22 mph.
Friday Night
Mostly clear, with a low around 64. South wind around 5 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. Calm wind becoming south around 5 mph. Winds could gust as high as 16 mph.
Saturday Night
Partly cloudy, with a low around 63. Southeast wind around 6 mph becoming calm in the evening.
Sunday
A 40 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 86. Calm wind becoming southeast around 5 mph. Winds could gust as high as 18 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Labor Day
Partly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Hill City SD
 43.93°N 103.56°W (Elev. 5161 ft)
9:22 pm MDT Sep 3, 2026
10pm MDT Sep 3, 2026-6pm MDT Sep 10, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database