Dangerous Heat to Continue through the Holiday Weekend; Severe Storms on Friday from the Plains to the Mid-Atlantic

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing across the eastern U.S. through the Independence Day holiday weekend. Peak heat indices of up to 115 degrees are possible. Isolated to scattered severe thunderstorms are possible from the northern/central Plains into the Midwest, Ohio Valley, and Mid-Atlantic Friday. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

56°F

13°C

Humidity 84%
Wind Speed NE 9 mph
Barometer 30.10 in (1012.2 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 3 Jul 1:53 am MDT
Extended Forecast for

5 Miles NNW Custer State Park SD

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 60. Light north wind.

    Low: 60 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after noon.  Widespread haze before noon. Mostly sunny, with a high near 78. Calm wind becoming southeast around 5 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 78 °F

    Haze then
    Chance
    T-storms

  • Friday Night

    Friday Night: Isolated showers and thunderstorms before midnight.  Mostly cloudy during the early evening, then gradual clearing, with a low around 57. North wind around 5 mph becoming calm  in the evening. Winds could gust as high as 20 mph.  Chance of precipitation is 20%.

    Low: 57 °F

    Isolated
    T-storms then
    Mostly Clear

  • Independence Day

    Independence Day: Scattered showers and thunderstorms after noon.  Increasing clouds, with a high near 79. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 16 mph.  Chance of precipitation is 40%.

    High: 79 °F

    Mostly Sunny
    then
    Scattered
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. East wind around 5 mph becoming light and variable. Winds could gust as high as 15 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 88. Light and variable wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 23 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 62.

    Low: 62 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Light north wind.
Friday
A 50 percent chance of showers and thunderstorms after noon. Widespread haze before noon. Mostly sunny, with a high near 78. Calm wind becoming southeast around 5 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Isolated showers and thunderstorms before midnight. Mostly cloudy during the early evening, then gradual clearing, with a low around 57. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Independence Day
Scattered showers and thunderstorms after noon. Increasing clouds, with a high near 79. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 40%.
Saturday Night
Mostly clear, with a low around 59. East wind around 5 mph becoming light and variable. Winds could gust as high as 15 mph.
Sunday
Sunny, with a high near 88. Light and variable wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 64.
Monday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86.
Monday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62.
Tuesday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 83.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Custer State Park SD
 43.79°N 103.45°W (Elev. 5171 ft)
12:32 am MDT Jul 3, 2026
2am MDT Jul 3, 2026-6pm MDT Jul 9, 2026
 
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Additional Resources

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Hourly Weather Forecast

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