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.

Light Snow

30°F

-1°C

Humidity 92%
Wind Speed NW 7 mph
Barometer 29.79 in (1006.2 mb)
Dewpoint 28°F (-2°C)
Visibility 8.00 mi
Wind Chill23°F (-5°C)
Last update 17 Apr 12:53 am MDT
Extended Forecast for

2 Miles SW Custer State Park SD

  • Overnight

    Overnight: A 50 percent chance of snow, mainly before 4am.  Cloudy, with a low around 30. Wind chill values as low as 20. North wind 11 to 15 mph, with gusts as high as 26 mph.  Little or no snow accumulation expected.

    Low: 30 °F

    Chance Snow

  • Friday

    Friday: A 20 percent chance of snow before noon.  Cloudy, then gradually becoming mostly sunny, with a high near 38. Wind chill values as low as 20. Northwest wind 11 to 14 mph, with gusts as high as 30 mph.

    High: 38 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 24. Wind chill values as low as 16. Northwest wind 7 to 14 mph, with gusts as high as 29 mph.

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of snow showers after noon.  Mostly sunny, with a high near 47. Wind chill values as low as 19 early. Northwest wind 8 to 14 mph, with gusts as high as 32 mph.

    High: 47 °F

    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32. West wind 5 to 13 mph, with gusts as high as 29 mph.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. West wind 5 to 8 mph becoming southeast in the morning. Winds could gust as high as 21 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. Southeast wind 5 to 7 mph becoming northwest after midnight. Winds could gust as high as 17 mph.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 75. West wind 7 to 11 mph, with gusts as high as 26 mph.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of snow, mainly before 4am. Cloudy, with a low around 30. Wind chill values as low as 20. North wind 11 to 15 mph, with gusts as high as 26 mph. Little or no snow accumulation expected.
Friday
A 20 percent chance of snow before noon. Cloudy, then gradually becoming mostly sunny, with a high near 38. Wind chill values as low as 20. Northwest wind 11 to 14 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 24. Wind chill values as low as 16. Northwest wind 7 to 14 mph, with gusts as high as 29 mph.
Saturday
A 20 percent chance of snow showers after noon. Mostly sunny, with a high near 47. Wind chill values as low as 19 early. Northwest wind 8 to 14 mph, with gusts as high as 32 mph.
Saturday Night
Mostly clear, with a low around 32. West wind 5 to 13 mph, with gusts as high as 29 mph.
Sunday
Sunny, with a high near 64. West wind 5 to 8 mph becoming southeast in the morning. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 39. Southeast wind 5 to 7 mph becoming northwest after midnight. Winds could gust as high as 17 mph.
Monday
Mostly sunny, with a high near 75. West wind 7 to 11 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
A chance of showers. Mostly sunny, with a high near 79.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 49.
Thursday
A chance of showers. Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Custer State Park SD
 43.7°N 103.45°W (Elev. 5056 ft)
12:32 am MDT Apr 17, 2026
1am 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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