Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Overcast

31°F

-1°C

Humidity 47%
Wind Speed NW 12 G 25 mph
Barometer 29.91 in (1014.8 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 17 Apr 9:53 am MDT
Extended Forecast for

4 Miles SW Mount Rushmore SD

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 34. Wind chill values as low as 16. Northwest wind around 14 mph, with gusts as high as 31 mph.

    High: 34 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 21. Wind chill values as low as 11. Northwest wind 8 to 14 mph, with gusts as high as 31 mph.

    Low: 21 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 43. Wind chill values as low as 12. Northwest wind 10 to 15 mph, with gusts as high as 32 mph.

    High: 43 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28. West wind 7 to 13 mph, with gusts as high as 30 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 55. West wind around 7 mph becoming southeast in the afternoon. Winds could gust as high as 23 mph.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Southeast wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 22 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 69. West wind 7 to 10 mph, with gusts as high as 25 mph.

    High: 69 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. Northwest wind around 7 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 34. Wind chill values as low as 16. Northwest wind around 14 mph, with gusts as high as 31 mph.
Tonight
Partly cloudy, with a low around 21. Wind chill values as low as 11. Northwest wind 8 to 14 mph, with gusts as high as 31 mph.
Saturday
Mostly sunny, with a high near 43. Wind chill values as low as 12. Northwest wind 10 to 15 mph, with gusts as high as 32 mph.
Saturday Night
Mostly clear, with a low around 28. West wind 7 to 13 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 55. West wind around 7 mph becoming southeast in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Mostly clear, with a low around 36. Southeast wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 22 mph.
Monday
Mostly sunny, with a high near 69. West wind 7 to 10 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 42. Northwest wind around 7 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
A chance of showers. Mostly sunny, with a high near 74.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 44.
Thursday
A chance of rain and snow showers. Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Mount Rushmore SD
 43.85°N 103.52°W (Elev. 6109 ft)
9:57 am MDT Apr 17, 2026
10am MDT Apr 17, 2026-6pm MDT Apr 23, 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