October Heat Wave in California; Tropical Cyclone Possible in the Gulf

Much higher than typical October temperatures will continue across coastal southern California up through the Bay Area and Central Valley through midweek resulting in result in Major to Extreme HeatRisk. A tropical depression is likely to form over the Gulf of America during the middle part of this week with further strengthening possible as it moves northeastward later this week. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

68°F

20°C

Humidity 22%
Wind Speed NW 5 mph
Barometer 30.11 in (1014.7 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 5 Oct 6:53 pm MDT
Extended Forecast for

Mount Rushmore SD

  • Tonight

    Tonight: Mostly clear, with a low around 59. West wind 3 to 6 mph.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. West wind 5 to 8 mph becoming northeast in the afternoon.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. North wind 5 to 7 mph becoming calm  in the evening.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74. Light and variable wind.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 67. Light and variable wind.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 59. West wind 3 to 6 mph.
Tuesday
Sunny, with a high near 80. West wind 5 to 8 mph becoming northeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 53. North wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 74. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 50. Calm wind.
Thursday
Sunny, with a high near 67. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
A chance of rain. Partly sunny, with a high near 52.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 40.
Columbus Day
A chance of rain and snow. Mostly cloudy, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Rushmore SD
 43.87°N 103.46°W (Elev. 5000 ft)
3:46 pm MDT Oct 5, 2026
6pm MDT Oct 5, 2026-6pm MDT Oct 12, 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