Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

81°F

27°C

Humidity 27%
Wind Speed Calm
Barometer 30.11 in (1010.9 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 5 Sep 8:53 am MDT
Extended Forecast for

Buffalo Gap SD

  • Today

    Today: Mostly sunny, with a high near 99. South wind 3 to 8 mph. Winds could gust as high as 20 mph.

    High: 99 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 66. Southwest wind 5 to 8 mph becoming light and variable  after midnight. Winds could gust as high as 17 mph.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 97. Light and variable wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 21 mph.

    High: 97 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Increasing clouds, with a low around 67. Southeast wind 7 to 10 mph becoming southwest after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 50%.

    Low: 67 °F

    Chance
    Showers

  • Labor Day

    Labor Day: Partly sunny, with a high near 93. Breezy, with a southwest wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 93 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61. West wind 7 to 15 mph, with gusts as high as 31 mph.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 99. South wind 3 to 8 mph. Winds could gust as high as 20 mph.
Tonight
Partly cloudy, with a low around 66. Southwest wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 17 mph.
Sunday
Mostly sunny, with a high near 97. Light and variable wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
A chance of showers and thunderstorms. Increasing clouds, with a low around 67. Southeast wind 7 to 10 mph becoming southwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 50%.
Labor Day
Partly sunny, with a high near 93. Breezy, with a southwest wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph.
Monday Night
Partly cloudy, with a low around 61. West wind 7 to 15 mph, with gusts as high as 31 mph.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Buffalo Gap SD
 43.49°N 103.31°W (Elev. 3314 ft)
8:42 am MDT Sep 5, 2026
9am MDT Sep 5, 2026-6pm MDT Sep 11, 2026
 
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Additional Resources

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