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Severe Thunderstorms and Heavy Rain Across the Central US and Central Appalachians

Severe thunderstorms producing damaging winds, hail and possibly a few tornadoes are expected across parts of the central Plains and the Missouri Valley. Heavy rainfall and flash flooding is also expected in the area. Thunderstorms and heavy rain may also bring additional flooding impacts to the central Appalachians. High temperatures and critical fire weather conditions expected in the Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Partly Cloudy

53°F

12°C

Humidity 86%
Wind Speed Vrbl 3 mph
Barometer 30.04 in (1013.6 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 17 Jun 6:53 pm MDT
Extended Forecast for

Custer SD

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 48. North wind around 5 mph becoming calm.

    Low: 48 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75. Calm wind becoming northwest around 5 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. Northwest wind around 5 mph becoming calm.

    Low: 54 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 86. West wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62. Southwest wind around 5 mph becoming southeast in the evening.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 90. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. West wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 48. North wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 75. Calm wind becoming northwest around 5 mph in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 54. Northwest wind around 5 mph becoming calm.
Juneteenth
Sunny, with a high near 86. West wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
Partly cloudy, with a low around 62. Southwest wind around 5 mph becoming southeast in the evening.
Friday
Sunny, with a high near 90. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 59. West wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 90. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 77.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 64.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 45.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Custer SD
 43.76°N 103.6°W (Elev. 5417 ft)
Last Update:
6:09 pm MDT Jun 17, 2025
Forecast Valid:
7pm MDT Jun 17, 2025-6pm MDT Jun 24, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation