National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall Possible for the Gulf Coast and Florida; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across parts of the Gulf Coast into central/northern Florida early this week. Abnormally hot, potentially record-breaking, temperatures will continue for southern California and stretch north toward the Bay Area and Central Valley this week. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

52°F

11°C

Humidity 77%
Wind Speed N 3 mph
Barometer 30.31 in (1022.5 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 4 Oct 8:53 pm MDT
Extended Forecast for

Mount Rushmore SD

  • Tonight

    Tonight: Clear, with a low around 54. Southwest wind 5 to 7 mph, with gusts as high as 17 mph.

    Low: 54 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 84. West wind 5 to 7 mph becoming light and variable in the afternoon. Winds could gust as high as 18 mph.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 59. Light west wind.

    Low: 59 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Light and variable wind.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72. Light and variable wind.

    High: 72 °F

    Sunny

  • Wednesday Night

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

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 54. Southwest wind 5 to 7 mph, with gusts as high as 17 mph.
Monday
Sunny, with a high near 84. West wind 5 to 7 mph becoming light and variable in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Clear, with a low around 59. Light west wind.
Tuesday
Sunny, with a high near 79. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 53. Calm wind.
Wednesday
Sunny, with a high near 72. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 77.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 51.
Sunday
A chance of showers. Partly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Rushmore SD
 43.87°N 103.46°W (Elev. 5000 ft)
Last Update:
6:01 pm MDT Oct 4, 2026
Forecast Valid:
9pm MDT Oct 4, 2026-6pm MDT Oct 11, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation