Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

A Few Clouds

66°F

19°C

Humidity 68%
Wind Speed E 14 G 21 mph
Barometer 30.39 in (1022.7 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 22 Aug 9:53 am MDT
Extended Forecast for

Mount Rushmore SD

  • Today

    Today: Mostly sunny, with a high near 79. Southeast wind 3 to 6 mph. Winds could gust as high as 21 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms before 3am, then a slight chance of showers.  Mostly cloudy, with a low around 63. Southeast wind around 6 mph becoming light and variable  in the evening. Winds could gust as high as 20 mph.  Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 87. Light and variable wind. Winds could gust as high as 16 mph.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly clear, with a low around 66. Light and variable wind. Winds could gust as high as 15 mph.

    Low: 66 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Partly cloudy, with a low around 62. Calm wind.  Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 79. Chance of precipitation is 50%.

    High: 79 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after noon.  Sunny, with a high near 80.

    High: 80 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 79. Southeast wind 3 to 6 mph. Winds could gust as high as 21 mph.
Tonight
A chance of showers and thunderstorms before 3am, then a slight chance of showers. Mostly cloudy, with a low around 63. Southeast wind around 6 mph becoming light and variable in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Sunday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. Light and variable wind. Winds could gust as high as 16 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 66. Light and variable wind. Winds could gust as high as 15 mph.
Monday
A 40 percent chance of showers and thunderstorms after noon. Sunny, with a high near 85. Light and variable wind.
Monday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 62. Calm wind. Chance of precipitation is 30%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. Chance of precipitation is 50%.
Tuesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59.
Wednesday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Rushmore SD
 43.87°N 103.46°W (Elev. 5000 ft)
9:46 am MDT Aug 22, 2026
10am MDT Aug 22, 2026-6pm MDT Aug 28, 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