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.

A Few Clouds

27°F

-3°C

Humidity 63%
Wind Speed W 15 G 24 mph
Barometer 30.06 in (1021.7 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 18 Apr 7:53 am MDT
Extended Forecast for

4 Miles WSW Mount Rushmore SD

  • Today

    Today: Isolated snow showers.  Mostly sunny, with a high near 40. Wind chill values as low as 11. Breezy, with a northwest wind 17 to 21 mph, with gusts as high as 33 mph.  Chance of precipitation is 20%.

    High: 40 °F

    Isolated Snow
    Showers and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 24. Blustery, with a west wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 29 mph.

    Low: 24 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 53. West wind 5 to 10 mph becoming southeast in the morning. Winds could gust as high as 22 mph.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. Southeast wind 8 to 14 mph becoming west after midnight. Winds could gust as high as 21 mph.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 69. West wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 69 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. Northwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72. West wind around 10 mph becoming south in the morning. Winds could gust as high as 24 mph.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. Southwest wind 5 to 7 mph, with gusts as high as 21 mph.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers after noon.  Mostly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Isolated snow showers. Mostly sunny, with a high near 40. Wind chill values as low as 11. Breezy, with a northwest wind 17 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 24. Blustery, with a west wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 29 mph.
Sunday
Sunny, with a high near 53. West wind 5 to 10 mph becoming southeast in the morning. Winds could gust as high as 22 mph.
Sunday Night
Mostly clear, with a low around 37. Southeast wind 8 to 14 mph becoming west after midnight. Winds could gust as high as 21 mph.
Monday
Mostly sunny, with a high near 69. West wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.
Monday Night
Mostly clear, with a low around 43. Northwest wind 6 to 9 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 72. West wind around 10 mph becoming south in the morning. Winds could gust as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 50. Southwest wind 5 to 7 mph, with gusts as high as 21 mph.
Wednesday
A chance of showers after noon. Mostly sunny, with a high near 72.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 42.
Thursday
Rain and snow showers likely. Mostly sunny, with a high near 52.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 25.
Friday
A chance of snow showers. Partly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Mount Rushmore SD
 43.87°N 103.52°W (Elev. 6148 ft)
6:57 am MDT Apr 18, 2026
8am MDT Apr 18, 2026-6pm MDT Apr 24, 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