Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

29°F

-2°C

Humidity 61%
Wind Speed NW 7 mph
Barometer 30.13 in (1021.0 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 19 Apr 4:53 am MDT
Extended Forecast for

3 Miles SSE Custer County Airport SD

  • Today

    Today: Sunny, with a high near 58. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. Southeast wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 73. Light west wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 23 mph.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Northwest wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 17 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52. Southwest wind around 6 mph becoming calm  in the evening. Winds could gust as high as 16 mph.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 77. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 29 mph.

    High: 77 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before midnight.  Mostly cloudy, with a low around 40. West wind 11 to 16 mph, with gusts as high as 30 mph.

    Low: 40 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of rain showers before 9am, then rain and snow showers likely.  Mostly sunny, with a high near 50. Breezy.

    High: 50 °F

    Rain/Snow
    Likely and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 58. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Tonight
Mostly clear, with a low around 34. Southeast wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Monday
Mostly sunny, with a high near 73. Light west wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 23 mph.
Monday Night
Mostly clear, with a low around 44. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Tuesday
Sunny, with a high near 79. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 52. Southwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 77. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 29 mph.
Wednesday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 40. West wind 11 to 16 mph, with gusts as high as 30 mph.
Thursday
A chance of rain showers before 9am, then rain and snow showers likely. Mostly sunny, with a high near 50. Breezy.
Thursday Night
A chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 25. Blustery.
Friday
A chance of snow showers. Mostly sunny, with a high near 47.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 24.
Saturday
A chance of snow showers. Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Custer County Airport SD
 43.69°N 103.6°W (Elev. 5400 ft)
4:22 am MDT Apr 19, 2026
4am MDT Apr 19, 2026-6pm MDT Apr 25, 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