Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Mostly Cloudy with Haze

70°F

21°C

Humidity 30%
Wind Speed N 16 G 35 mph
Barometer 30.10 in (1012.4 mb)
Dewpoint 37°F (3°C)
Visibility 6.00 mi
Last update 3 Aug 4:53 pm MDT
Extended Forecast for

4 Miles WSW Mount Rushmore SD

  • Tonight

    Tonight: Widespread smoke, mainly before 9pm. Mostly clear, with a low around 43. Breezy, with a north wind 15 to 20 mph becoming light northwest  after midnight. Winds could gust as high as 37 mph.

    Low: 43 °F

    Smoke and
    Breezy

  • Tuesday

    Tuesday: Areas of smoke before noon. Mostly sunny, with a high near 64. Light and variable wind. Winds could gust as high as 17 mph.

    High: 64 °F

    Areas Smoke
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after midnight.  Partly cloudy, with a low around 45. East wind around 5 mph becoming light and variable  in the evening. Winds could gust as high as 17 mph.

    Low: 45 °F

    Mostly Clear
    then Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. Light and variable wind. Winds could gust as high as 18 mph.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. Light and variable wind becoming southwest around 6 mph after midnight. Winds could gust as high as 17 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77. West wind around 5 mph becoming calm. Winds could gust as high as 17 mph.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
Widespread smoke, mainly before 9pm. Mostly clear, with a low around 43. Breezy, with a north wind 15 to 20 mph becoming light northwest after midnight. Winds could gust as high as 37 mph.
Tuesday
Areas of smoke before noon. Mostly sunny, with a high near 64. Light and variable wind. Winds could gust as high as 17 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 45. East wind around 5 mph becoming light and variable in the evening. Winds could gust as high as 17 mph.
Wednesday
Mostly sunny, with a high near 72. Light and variable wind. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 51. Light and variable wind becoming southwest around 6 mph after midnight. Winds could gust as high as 17 mph.
Thursday
Sunny, with a high near 77. West wind around 5 mph becoming calm. Winds could gust as high as 17 mph.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Mount Rushmore SD
 43.85°N 103.52°W (Elev. 6109 ft)
2:21 pm MDT Aug 3, 2026
5pm MDT Aug 3, 2026-6pm MDT Aug 10, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database