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 E Custer SD

  • Overnight

    Overnight: A 40 percent chance of snow, mainly before 4am.  Cloudy, with a low around 27. Wind chill values as low as 19. North wind 7 to 9 mph, with gusts as high as 23 mph.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 27 °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 19. Northwest wind 7 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 21. West wind 6 to 13 mph, with gusts as high as 29 mph.

    Low: 21 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of snow showers after noon.  Mostly sunny, with a high near 46. Wind chill values as low as 17 early. Northwest wind 6 to 14 mph, with gusts as high as 31 mph.

    High: 46 °F

    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. Northwest wind 6 to 11 mph becoming light west  in the evening. Winds could gust as high as 28 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. Light and variable wind becoming south 5 to 8 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Southeast wind around 6 mph becoming calm. Winds could gust as high as 17 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 74. West wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of snow, mainly before 4am. Cloudy, with a low around 27. Wind chill values as low as 19. North wind 7 to 9 mph, with gusts as high as 23 mph. Total nighttime snow accumulation of less than a half inch possible.
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 19. Northwest wind 7 to 14 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 21. West wind 6 to 13 mph, with gusts as high as 29 mph.
Saturday
A 20 percent chance of snow showers after noon. Mostly sunny, with a high near 46. Wind chill values as low as 17 early. Northwest wind 6 to 14 mph, with gusts as high as 31 mph.
Saturday Night
Mostly clear, with a low around 29. Northwest wind 6 to 11 mph becoming light west in the evening. Winds could gust as high as 28 mph.
Sunday
Sunny, with a high near 64. Light and variable wind becoming south 5 to 8 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 calm. Winds could gust as high as 17 mph.
Monday
Mostly sunny, with a high near 74. West wind 5 to 10 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
A chance of showers. Mostly sunny, with a high near 78.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 45.
Thursday
A chance of showers. Partly sunny, with a high near 62.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Custer SD
 43.76°N 103.51°W (Elev. 5249 ft)
12:32 am MDT Apr 17, 2026
2am MDT Apr 17, 2026-6pm MDT Apr 23, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database