Severe Weather for Northeast Southeastward into the Southern Plains; Flooding in the Upper Great Lakes

Severe thunderstorms are expected from the Northeast to Texas through the night and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains and the mid-Atlantic. There is late-season snow over the Northern/Central Rockies and the Northern Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Overcast

25°F

-4°C

Humidity 75%
Wind Speed N 9 G 17 mph
Barometer 29.81 in (1007.9 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 17 Apr 3:53 am MDT
Extended Forecast for

4 Miles WSW Mount Rushmore SD

  • Overnight

    Overnight: A 20 percent chance of snow.  Cloudy, with a low around 23. Wind chill values as low as 8. Blustery, with a northwest wind around 21 mph, with gusts as high as 31 mph.

    Low: 23 °F

    Slight Chance
    Snow and
    Blustery

  • Friday

    Friday: A 20 percent chance of snow before 9am.  Cloudy, then gradually becoming mostly sunny, with a high near 32. Wind chill values as low as 9. Northwest wind 15 to 18 mph, with gusts as high as 30 mph.

    High: 32 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 19. Wind chill values as low as 6. West wind 14 to 18 mph, with gusts as high as 30 mph.

    Low: 19 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of snow showers.  Mostly sunny, with a high near 40. Wind chill values as low as 9. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 31 mph.

    High: 40 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28. West wind 9 to 17 mph, with gusts as high as 29 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56. West wind 7 to 11 mph becoming southeast in the morning. Winds could gust as high as 22 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. Southeast wind 8 to 14 mph becoming west after midnight. Winds could gust as high as 21 mph.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 67. West wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow. Cloudy, with a low around 23. Wind chill values as low as 8. Blustery, with a northwest wind around 21 mph, with gusts as high as 31 mph.
Friday
A 20 percent chance of snow before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 32. Wind chill values as low as 9. Northwest wind 15 to 18 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 19. Wind chill values as low as 6. West wind 14 to 18 mph, with gusts as high as 30 mph.
Saturday
A 20 percent chance of snow showers. Mostly sunny, with a high near 40. Wind chill values as low as 9. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 31 mph.
Saturday Night
Mostly clear, with a low around 28. West wind 9 to 17 mph, with gusts as high as 29 mph.
Sunday
Sunny, with a high near 56. West wind 7 to 11 mph becoming southeast in the morning. Winds could gust as high as 22 mph.
Sunday Night
Mostly clear, with a low around 35. 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 67. West wind 9 to 14 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
A chance of showers. Mostly sunny, with a high near 72.
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 56.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Mount Rushmore SD
 43.87°N 103.52°W (Elev. 6148 ft)
3:07 am MDT Apr 17, 2026
4am MDT Apr 17, 2026-6pm MDT Apr 23, 2026
 
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Additional Resources

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Hourly Weather Forecast

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