Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

72°F

22°C

Humidity 38%
Wind Speed NA
Barometer 30.23 in (1017.9 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 4 Jul 9:53 am MDT
Extended Forecast for

Hill City SD

  • Independence Day

    Independence Day: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 79. Light and variable wind. Winds could gust as high as 16 mph.

    High: 79 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 58. Calm wind. Winds could gust as high as 16 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87. Calm wind becoming south around 6 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. Southeast wind around 5 mph becoming light and variable  in the evening. Winds could gust as high as 21 mph.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 87. Calm wind becoming northeast around 6 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 59. Northeast wind around 5 mph becoming calm  in the evening. Winds could gust as high as 21 mph.

    Low: 59 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, mainly before midnight.  Mostly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Independence Day
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. Light and variable wind. Winds could gust as high as 16 mph.
Tonight
Mostly clear, with a low around 58. Calm wind. Winds could gust as high as 16 mph.
Sunday
Sunny, with a high near 87. Calm wind becoming south around 6 mph in the afternoon. Winds could gust as high as 24 mph.
Sunday Night
Mostly clear, with a low around 65. Southeast wind around 5 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. Calm wind becoming northeast around 6 mph in the afternoon. Winds could gust as high as 21 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 59. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 82.
Tuesday Night
A chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 58.
Wednesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.
Wednesday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56.
Thursday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 81.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Hill City SD
 43.93°N 103.56°W (Elev. 5161 ft)
8:42 am MDT Jul 4, 2026
10am MDT Jul 4, 2026-6pm MDT Jul 10, 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