National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms, Excessive Rainfall, and Extreme Heat Saturday

Severe thunderstorms capable of damaging winds will be possible from the Ozark Plateau east into the Tennessee Valley Saturday. Rounds of heavy thunderstorms ahead of a slow moving front will continue locally heavy rainfall and scattered flash flooding potential from the Ozarks to the Ohio and Tennessee Valleys Saturday. Extreme heat will continue for the Intermountain West and Plains. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

80°F

27°C

Humidity 27%
Wind Speed SE 7 mph
Barometer 30.12 in (1012.4 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 10 Jul 6:53 pm MDT
Extended Forecast for

Mount Rushmore SD

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 66. Southeast wind 5 to 7 mph becoming southwest after midnight. Winds could gust as high as 21 mph.

    Low: 66 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 92. Southwest wind 8 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. Southeast wind 5 to 11 mph becoming west after midnight.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 97. Light and variable wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 23 mph.

    High: 97 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70. Southeast wind 7 to 9 mph becoming southwest after midnight. Winds could gust as high as 28 mph.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 96. South wind around 9 mph, with gusts as high as 25 mph.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 66. Southeast wind 5 to 7 mph becoming southwest after midnight. Winds could gust as high as 21 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 92. Southwest wind 8 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 68. Southeast wind 5 to 11 mph becoming west after midnight.
Sunday
Sunny, with a high near 97. Light and variable wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 23 mph.
Sunday Night
Mostly clear, with a low around 70. Southeast wind 7 to 9 mph becoming southwest after midnight. Winds could gust as high as 28 mph.
Monday
Sunny, with a high near 96. South wind around 9 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 87.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Rushmore SD
 43.89°N 103.46°W (Elev. 5108 ft)
Last Update:
5:36 pm MDT Jul 10, 2026
Forecast Valid:
7pm MDT Jul 10, 2026-6pm MDT Jul 17, 2026
 
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