Areas of Severe Thunderstorms and Excessive Rainfall; Heat Wave Builds in the Intermountain West and Plains

A slow moving front will bring rounds of strong to severe thunderstorms and heavy rainfall to the central Plains eastward to the east-central U.S.. The first widespread significant heat wave of summer for the Intermountain West and Plains is expected to develop today and expand through next week. Dangerous heat will continue to impact portions of the Southwest and Southeast. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

A Few Clouds

79°F

26°C

Humidity 38%
Wind Speed E 10 G 20 mph
Barometer 30.13 in (1013.2 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 10 Jul 11:53 am MDT
Extended Forecast for

4 Miles SW Mount Rushmore SD

  • This Afternoon

    This Afternoon: A slight chance of showers, with thunderstorms also possible after 3pm.  Mostly sunny, with a high near 81. East wind around 6 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 60. Southeast wind around 7 mph becoming southwest after midnight. Winds could gust as high as 21 mph.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86. Southwest wind 5 to 8 mph becoming south in the afternoon. Winds could gust as high as 24 mph.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62. South wind 5 to 8 mph becoming west after midnight. Winds could gust as high as 22 mph.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. West wind 6 to 8 mph becoming southeast in the afternoon. Winds could gust as high as 23 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. Southeast wind 7 to 10 mph becoming southwest after midnight. Winds could gust as high as 28 mph.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 81. East wind around 6 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 60. Southeast wind around 7 mph becoming southwest after midnight. Winds could gust as high as 21 mph.
Saturday
Sunny, with a high near 86. Southwest wind 5 to 8 mph becoming south in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
Mostly clear, with a low around 62. South wind 5 to 8 mph becoming west after midnight. Winds could gust as high as 22 mph.
Sunday
Sunny, with a high near 90. West wind 6 to 8 mph becoming southeast in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Mostly clear, with a low around 64. Southeast wind 7 to 10 mph becoming southwest after midnight. Winds could gust as high as 28 mph.
Monday
Sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Mount Rushmore SD
 43.85°N 103.52°W (Elev. 6109 ft)
12:02 pm MDT Jul 10, 2026
12pm MDT Jul 10, 2026-6pm MDT Jul 16, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database