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

29°F

-2°C

Humidity 82%
Wind Speed N 10 G 17 mph
Barometer 29.77 in (1005.6 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 17 Apr 1:53 am MDT
Extended Forecast for

5 Miles NW Hill City SD

  • Overnight

    Overnight: A 40 percent chance of snow, mainly before 4am.  Cloudy, with a low around 23. Wind chill values as low as 12. Northwest wind around 10 mph, with gusts as high as 29 mph.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 33. Wind chill values as low as 12. Northwest wind 10 to 13 mph, with gusts as high as 31 mph.

    High: 33 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 19. Wind chill values as low as 11. West wind 6 to 10 mph, with gusts as high as 30 mph.

    Low: 19 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow showers.  Mostly sunny, with a high near 42. Wind chill values as low as 13. Northwest wind 8 to 11 mph, with gusts as high as 33 mph.

    High: 42 °F

    Slight Chance
    Snow Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28. West wind 5 to 10 mph, with gusts as high as 30 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59. Light and variable 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. Southeast wind around 6 mph becoming light and variable. Winds could gust as high as 20 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 70. Southwest wind 6 to 8 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 70 °F

    Mostly Sunny

  • Monday Night

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

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of snow, mainly before 4am. Cloudy, with a low around 23. Wind chill values as low as 12. Northwest wind around 10 mph, with gusts as high as 29 mph. Total nighttime snow accumulation of less than a half inch possible.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 33. Wind chill values as low as 12. Northwest wind 10 to 13 mph, with gusts as high as 31 mph.
Friday Night
Partly cloudy, with a low around 19. Wind chill values as low as 11. West 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 13. Northwest wind 8 to 11 mph, with gusts as high as 33 mph.
Saturday Night
Mostly clear, with a low around 28. West wind 5 to 10 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 59. Light and variable 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. Southeast wind around 6 mph becoming light and variable. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 70. Southwest wind 6 to 8 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
A chance of showers. Partly sunny, with a high near 74.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 43.
Thursday
A chance of showers. Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Hill City SD
 43.97°N 103.65°W (Elev. 5568 ft)
12:32 am MDT Apr 17, 2026
2am 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