Lowell to Impact Hawaii; Heat Persists in the South-Central U.S.

Hurricane Lowell is forecast to pass west of Kauai`s coastal waters tonight. Impacts such as high surf and heavy rain could impact all of the islands. Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley into this week with limited nighttime relief. Periods of moderate to heavy rainfall will be possible through Tuesday morning in the northern Rockies. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

52°F

11°C

Humidity 69%
Wind Speed W 3 mph
Barometer 30.13 in (1014.1 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 8 Sep 3:53 am MDT
Extended Forecast for

Mount Rushmore SD

  • Today

    Today: Sunny, with a high near 78. West wind 5 to 7 mph, with gusts as high as 20 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. Calm wind becoming northwest 5 to 7 mph after midnight. Winds could gust as high as 20 mph.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75. Northwest wind around 5 mph becoming calm  in the afternoon.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 55. Calm wind becoming west around 5 mph.

    Low: 55 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Calm wind becoming southwest around 5 mph. Winds could gust as high as 15 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. Calm wind becoming west 5 to 7 mph after midnight. Winds could gust as high as 20 mph.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 78. West wind 5 to 7 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 54. Calm wind becoming northwest 5 to 7 mph after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 75. Northwest wind around 5 mph becoming calm in the afternoon.
Wednesday Night
Clear, with a low around 55. Calm wind becoming west around 5 mph.
Thursday
Sunny, with a high near 83. Calm wind becoming southwest around 5 mph. Winds could gust as high as 15 mph.
Thursday Night
Mostly clear, with a low around 62. Calm wind becoming west 5 to 7 mph after midnight. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 49.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 51.
Sunday
A chance of showers. Partly sunny, with a high near 65.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 47.
Monday
A slight chance of showers. Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Rushmore SD
 43.87°N 103.46°W (Elev. 5000 ft)
3:31 am MDT Sep 8, 2026
4am MDT Sep 8, 2026-6pm MDT Sep 14, 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