East Coast Storm; Heavy Rain and Flooding in the Southwest U.S.; Typhoon Remnants Impacting Alaska

A coastal storm continues to bring heavy rain, coastal flooding, high surf, dangerous rip currents, and gusty winds to the East Coast into early Tuesday. A heavy rain and flash flood risk continues for the Southwest/Four Corners region with lingering tropical moisture through Monday. Typhoon remnants are causing strong winds, heavy rain, and coastal flooding across western Alaska through Monday. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

35°F

2°C

Humidity 76%
Wind Speed Calm
Barometer 29.98 in (1014.6 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 12 Oct 8:53 pm MDT
Extended Forecast for

4 Miles SW Mount Rushmore SD

  • Tonight

    Tonight: Mostly clear, with a low around 27. Calm wind becoming south around 5 mph after midnight.

    Low: 27 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Increasing clouds, with a high near 48. South wind 6 to 13 mph.

    High: 48 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A 30 percent chance of showers after midnight.  Mostly cloudy, with a low around 34. Southeast wind around 10 mph, with gusts as high as 15 mph.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before noon.  Mostly cloudy, with a high near 48. Southeast wind 6 to 9 mph, with gusts as high as 26 mph.

    High: 48 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41. Southeast wind around 6 mph, with gusts as high as 16 mph.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 57. Southeast wind around 6 mph becoming east in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 30%.

    High: 57 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 42. Northeast wind 5 to 8 mph becoming west after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 60%.

    Low: 42 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers.  Partly sunny, with a high near 51. West wind around 8 mph, with gusts as high as 22 mph.

    High: 51 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers before midnight.  Partly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 27. Calm wind becoming south around 5 mph after midnight.
Columbus Day
Increasing clouds, with a high near 48. South wind 6 to 13 mph.
Monday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 34. Southeast wind around 10 mph, with gusts as high as 15 mph.
Tuesday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 48. Southeast wind 6 to 9 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 41. Southeast wind around 6 mph, with gusts as high as 16 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 57. Southeast wind around 6 mph becoming east in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 30%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 42. Northeast wind 5 to 8 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Thursday
A chance of showers. Partly sunny, with a high near 51. West wind around 8 mph, with gusts as high as 22 mph.
Thursday Night
A slight chance of showers before midnight. Partly cloudy, with a low around 35.
Friday
A slight chance of showers after noon. Mostly sunny, with a high near 51.
Friday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 33.
Saturday
A slight chance of rain and snow showers. Mostly sunny, with a high near 47.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Mount Rushmore SD
 43.85°N 103.52°W (Elev. 6109 ft)
7:01 pm MDT Oct 12, 2025
9pm MDT Oct 12, 2025-6pm MDT Oct 19, 2025
 
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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