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

63°F

17°C

Humidity 56%
Wind Speed Calm
Barometer 30.23 in (1018.3 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 4 Jul 7:53 am MDT
Extended Forecast for

5 Miles SE Mount Rushmore SD

  • Independence Day

    Independence Day: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 82. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 63. East wind around 5 mph becoming calm. Winds could gust as high as 17 mph.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. Light and variable wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 24 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. Southeast wind around 7 mph becoming southwest after midnight. Winds could gust as high as 22 mph.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 90. Southwest wind 6 to 9 mph becoming northeast in the afternoon. Winds could gust as high as 23 mph.

    High: 90 °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 64. Northeast wind 5 to 9 mph becoming light and variable  after midnight. Winds could gust as high as 23 mph.

    Low: 64 °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 85.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 82.

    High: 82 °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 82. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 18 mph.
Tonight
Mostly clear, with a low around 63. East wind around 5 mph becoming calm. Winds could gust as high as 17 mph.
Sunday
Sunny, with a high near 90. Light and variable wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 24 mph.
Sunday Night
Mostly clear, with a low around 68. Southeast wind around 7 mph becoming southwest after midnight. Winds could gust as high as 22 mph.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90. Southwest wind 6 to 9 mph becoming northeast in the afternoon. Winds could gust as high as 23 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 64. Northeast wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 85.
Tuesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 62.
Wednesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82.
Wednesday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Mount Rushmore SD
 43.83°N 103.4°W (Elev. 4800 ft)
6:52 am MDT Jul 4, 2026
8am 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