Severe Thunderstorms and Heavy Rain in the Central Plains to Upper Midwest; Extreme Heat in Parts of the South

Thunderstorms with severe wind gusts and hail will be possible today across parts of the central Plains, and from the Missouri Valley into the upper Mississippi Valley. Heavy rain associated with the thunderstorms may also produce flash/urban flooding. Critical fire weather conditions expected in the Great Basin and interior Northwest. Dangerous heat continues across the Southwest and Southeast. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

71°F

22°C

Humidity 61%
Wind Speed SE 7 mph
Barometer 30.22 in (1017.0 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 8 Jul 10:53 am MDT
Extended Forecast for

3 Miles SSE Custer County Airport SD

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 2pm.  Partly sunny, with a high near 77. Southeast wind 3 to 7 mph. Winds could gust as high as 15 mph.

    High: 77 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 59. Light and variable wind. Winds could gust as high as 17 mph.

    Low: 59 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms likely after noon.  Partly sunny, with a high near 80. Calm wind becoming south around 5 mph. Winds could gust as high as 18 mph.  Chance of precipitation is 60%.

    High: 80 °F

    Mostly Sunny
    then T-storms
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly before 9pm.  Mostly cloudy, with a low around 57. Light and variable wind. Winds could gust as high as 18 mph.

    Low: 57 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 83. Calm wind becoming southeast 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. Southeast wind around 6 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 77. Southeast wind 3 to 7 mph. Winds could gust as high as 15 mph.
Tonight
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 59. Light and variable wind. Winds could gust as high as 17 mph.
Thursday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 80. Calm wind becoming south around 5 mph. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 57. Light and variable wind. Winds could gust as high as 18 mph.
Friday
Mostly sunny, with a high near 83. Calm wind becoming southeast 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 61. Southeast wind around 6 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Saturday
Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 65.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 91.
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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)
11:22 am MDT Jul 8, 2026
11am MDT Jul 8, 2026-6pm MDT Jul 14, 2026
 
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Additional Resources

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