Unsettled Weather in the Eastern U.S. through Memorial Day

Wet, stormy, and unsettled weather continues for much of the eastern half of the U.S. through Memorial Day. There is potential for scattered flash flooding across the Central Gulf Coast into North Georgia and across the Upper Ohio Valley. Severe storms capable of hail/wind may occur across the Middle Missouri Valley/Siouxland and across other parts of the central and southern Plains and Southeast. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

73°F

23°C

Humidity 16%
Wind Speed W 9 G 22 mph
Barometer 30.02 in (1011.7 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 24 May 12:53 pm MDT
Extended Forecast for

6 Miles WSW Mount Rushmore SD

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms after 3pm.  Mostly sunny, with a high near 70. Northwest wind around 5 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 70 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Mostly cloudy, then becoming mostly clear toward daybreak, with a low around 49. Calm wind becoming west 5 to 7 mph after midnight. Winds could gust as high as 16 mph.

    Low: 49 °F

    Mostly Cloudy

  • Memorial Day

    Memorial Day: Sunny, with a high near 76. West wind 5 to 7 mph becoming calm. Winds could gust as high as 20 mph.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. Light and variable wind becoming southwest 5 to 7 mph in the evening. Winds could gust as high as 17 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Southwest wind 6 to 16 mph becoming south in the morning. Winds could gust as high as 34 mph.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54. South wind 9 to 17 mph, with gusts as high as 34 mph.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 67.

    High: 67 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms after 3pm. Mostly sunny, with a high near 70. Northwest wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, then becoming mostly clear toward daybreak, with a low around 49. Calm wind becoming west 5 to 7 mph after midnight. Winds could gust as high as 16 mph.
Memorial Day
Sunny, with a high near 76. West wind 5 to 7 mph becoming calm. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 52. Light and variable wind becoming southwest 5 to 7 mph in the evening. Winds could gust as high as 17 mph.
Tuesday
Mostly sunny, with a high near 78. Southwest wind 6 to 16 mph becoming south in the morning. Winds could gust as high as 34 mph.
Tuesday Night
Mostly cloudy, with a low around 54. South wind 9 to 17 mph, with gusts as high as 34 mph.
Wednesday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 70.
Wednesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 50.
Thursday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 67.
Thursday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 50.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 72.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Mount Rushmore SD
 43.85°N 103.55°W (Elev. 6490 ft)
12:31 pm MDT May 24, 2026
1pm MDT May 24, 2026-6pm MDT May 30, 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