National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Mostly Cloudy

33°F

1°C

Humidity 45%
Wind Speed W 17 G 32 mph
Barometer 29.93 in (1015.9 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 17 Apr 1:53 pm MDT
Extended Forecast for

3 Miles SSE Custer County Airport SD

  • This Afternoon

    This Afternoon: A 20 percent chance of snow showers. Partly sunny, with a high near 38. Northwest wind around 14 mph, with gusts as high as 32 mph.

    High: 38 °F

    Slight Chance
    Snow Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 22. West wind 5 to 13 mph, with gusts as high as 29 mph.

    Low: 22 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 46. Wind chill values as low as 16 early. Northwest wind 6 to 15 mph, with gusts as high as 31 mph.

    High: 46 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28. West wind 8 to 13 mph becoming light 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 south 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 59 °F

    Sunny

  • Sunday Night

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

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 73. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 24 mph.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of snow showers. Partly sunny, with a high near 38. Northwest wind around 14 mph, with gusts as high as 32 mph.
Tonight
Partly cloudy, with a low around 22. West wind 5 to 13 mph, with gusts as high as 29 mph.
Saturday
Mostly sunny, with a high near 46. Wind chill values as low as 16 early. Northwest wind 6 to 15 mph, with gusts as high as 31 mph.
Saturday Night
Mostly clear, with a low around 28. West wind 8 to 13 mph becoming light in the evening. Winds could gust as high as 29 mph.
Sunday
Sunny, with a high near 59. Calm wind becoming south 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 36. Southeast wind around 6 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Monday
Mostly sunny, with a high near 73. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 24 mph.
Monday Night
Partly cloudy, with a low around 42. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 20 mph.
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 77.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 44.
Thursday
A chance of showers. Mostly sunny, with a high near 61.
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Forecast Area
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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)
Last Update:
12:32 pm MDT Apr 17, 2026
Forecast Valid:
2pm MDT Apr 17, 2026-6pm MDT Apr 23, 2026
 
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Additional Resources

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