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

3 Miles NW Hill City SD

  • Overnight

    Overnight: A 20 percent chance of snow.  Cloudy, with a low around 23. Wind chill values as low as 13. Northwest wind around 10 mph, with gusts as high as 24 mph.

    Low: 23 °F

    Slight Chance
    Snow

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 33. Wind chill values as low as 13. Northwest wind 9 to 11 mph, with gusts as high as 31 mph.

    High: 33 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 19. Northwest wind 6 to 10 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 42. Wind chill values as low as 14. Northwest wind 7 to 11 mph, with gusts as high as 32 mph.

    High: 42 °F

    Slight Chance
    Snow Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28. Northwest wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 29 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59. Calm wind becoming southeast 5 to 7 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Calm wind becoming west around 6 mph after midnight. Winds could gust as high as 18 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 71. West wind 6 to 8 mph, with gusts as high as 23 mph.

    High: 71 °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 13. Northwest wind around 10 mph, with gusts as high as 24 mph.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 33. Wind chill values as low as 13. Northwest wind 9 to 11 mph, with gusts as high as 31 mph.
Friday Night
Mostly clear, with a low around 19. Northwest wind 6 to 10 mph, with gusts as high as 30 mph.
Saturday
A 20 percent chance of snow showers. Mostly sunny, with a high near 42. Wind chill values as low as 14. Northwest wind 7 to 11 mph, with gusts as high as 32 mph.
Saturday Night
Mostly clear, with a low around 28. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 29 mph.
Sunday
Sunny, with a high near 59. Calm wind becoming southeast 5 to 7 mph in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 36. Calm wind becoming west around 6 mph after midnight. Winds could gust as high as 18 mph.
Monday
Mostly sunny, with a high near 71. West wind 6 to 8 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
A chance of showers. Mostly sunny, with a high near 75.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 44.
Thursday
A chance of showers. Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Hill City SD
 43.95°N 103.62°W (Elev. 5617 ft)
3:07 am MDT Apr 17, 2026
4am 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