Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

80°F

27°C

Humidity 39%
Wind Speed SE 8 mph
Barometer 30.26 in (1017.6 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 27 Aug 10:53 am MDT
Extended Forecast for

6 Miles WSW Custer State Park SD

  • Today

    Today: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 82. Light and variable wind becoming east 5 to 7 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 82 °F

    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 62. East wind 5 to 7 mph becoming light and variable. Winds could gust as high as 16 mph.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 89. West wind 5 to 7 mph, with gusts as high as 20 mph.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 65. North wind 3 to 5 mph. Winds could gust as high as 15 mph.

    Low: 65 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 87. Northwest wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 25 mph.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 61. West wind 3 to 7 mph. Winds could gust as high as 20 mph.

    Low: 61 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Light and variable wind becoming east 5 to 7 mph in the afternoon. Winds could gust as high as 16 mph.
Tonight
Partly cloudy, with a low around 62. East wind 5 to 7 mph becoming light and variable. Winds could gust as high as 16 mph.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. West wind 5 to 7 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 65. North wind 3 to 5 mph. Winds could gust as high as 15 mph.
Saturday
Mostly sunny, with a high near 87. Northwest wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 25 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61. West wind 3 to 7 mph. Winds could gust as high as 20 mph.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Custer State Park SD
 43.7°N 103.51°W (Elev. 5400 ft)
11:36 am MDT Aug 27, 2026
11am MDT Aug 27, 2026-6pm MDT Sep 2, 2026
 
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Additional Resources

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