Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Mostly Cloudy

70°F

21°C

Humidity 55%
Wind Speed NE 13 mph
Barometer 30.14 in (1014.1 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 18 Jul 5:53 pm MDT
Extended Forecast for

Custer County Airport SD

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before midnight.  Mostly cloudy, with a low around 54. East wind 5 to 10 mph becoming light and variable  in the evening. Winds could gust as high as 15 mph.  Chance of precipitation is 40%.

    Low: 54 °F

    Scattered
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Partly sunny, with a high near 78. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 78 °F

    Scattered
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 55. Southeast wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 55 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 85. West wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. East wind around 5 mph becoming calm  after midnight. Winds could gust as high as 15 mph.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 57. East wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 57 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 82. North wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, mainly before midnight.  Partly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Scattered showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 54. East wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 40%.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 78. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55. Southeast wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 85. West wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 57. East wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Monday
Sunny, with a high near 84. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57. East wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.
Tuesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. North wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 55.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Custer County Airport SD
 43.73°N 103.63°W (Elev. 5531 ft)
4:30 pm MDT Jul 18, 2025
6pm MDT Jul 18, 2025-6pm MDT Jul 25, 2025
 
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