Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

71°F

22°C

Humidity 38%
Wind Speed S 5 mph
Barometer 30.37 in (1022.2 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 26 Aug 10:53 am MDT
Extended Forecast for

11 Miles W Custer County Airport SD

  • Today

    Today: Mostly sunny, with a high near 81. West wind around 6 mph becoming light and variable  in the afternoon. Winds could gust as high as 16 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 59. East wind 3 to 8 mph. Winds could gust as high as 17 mph.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 83. Light and variable wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 18 mph.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61. Southeast wind 5 to 9 mph becoming calm  after midnight. Winds could gust as high as 21 mph.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 88. Calm wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 20 mph.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 63. Northeast wind 5 to 7 mph becoming light and variable  after midnight. Winds could gust as high as 16 mph.

    Low: 63 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 60.

    Low: 60 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 81. West wind around 6 mph becoming light and variable in the afternoon. Winds could gust as high as 16 mph.
Tonight
Partly cloudy, with a low around 59. East wind 3 to 8 mph. Winds could gust as high as 17 mph.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83. Light and variable wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 61. Southeast wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 21 mph.
Friday
Mostly sunny, with a high near 88. Calm wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 63. Northeast wind 5 to 7 mph becoming light and variable after midnight. Winds could gust as high as 16 mph.
Saturday
Partly sunny, with a high near 86.
Saturday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 60.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 80.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles W Custer County Airport SD
 43.72°N 103.84°W (Elev. 5197 ft)
8:31 am MDT Aug 26, 2026
11am MDT Aug 26, 2026-6pm MDT Sep 1, 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