Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

29°F

-2°C

Humidity 61%
Wind Speed NW 7 mph
Barometer 30.13 in (1021.0 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 19 Apr 4:53 am MDT
Extended Forecast for

5 Miles WSW Mount Rushmore SD

  • Today

    Today: Sunny, with a high near 52. West wind 5 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 23 mph.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 32. Southeast wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 22 mph.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 68. West wind 8 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. West wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74. West wind around 8 mph becoming south in the morning. Winds could gust as high as 22 mph.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. West wind 6 to 9 mph becoming northwest in the evening. Winds could gust as high as 18 mph.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 72. Southwest wind 10 to 13 mph, with gusts as high as 30 mph.

    High: 72 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before midnight.  Mostly cloudy, with a low around 38. Breezy, with a west wind 14 to 23 mph, with gusts as high as 34 mph.

    Low: 38 °F

    Showers
    Likely and
    Breezy

  • Thursday

    Thursday: A chance of rain and snow showers before noon, then snow showers likely.  Partly sunny, with a high near 45. Breezy.

    High: 45 °F

    Breezy.
    Chance
    Rain/Snow
    then Snow
    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 52. West wind 5 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 23 mph.
Tonight
Mostly clear, with a low around 32. Southeast wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 22 mph.
Monday
Mostly sunny, with a high near 68. West wind 8 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Monday Night
Mostly clear, with a low around 43. West wind 5 to 10 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 74. West wind around 8 mph becoming south in the morning. Winds could gust as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 50. West wind 6 to 9 mph becoming northwest in the evening. Winds could gust as high as 18 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 72. Southwest wind 10 to 13 mph, with gusts as high as 30 mph.
Wednesday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 38. Breezy, with a west wind 14 to 23 mph, with gusts as high as 34 mph.
Thursday
A chance of rain and snow showers before noon, then snow showers likely. Partly sunny, with a high near 45. Breezy.
Thursday Night
A chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 23. Blustery.
Friday
A chance of snow showers. Mostly sunny, with a high near 41.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 21.
Saturday
A chance of snow showers. Partly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Mount Rushmore SD
 43.85°N 103.55°W (Elev. 6490 ft)
4:22 am MDT Apr 19, 2026
5am MDT Apr 19, 2026-6pm MDT Apr 25, 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