Severe Weather and Flooding Threats for the Central U.S.; Dangerous Heat in the Southern and Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. over the next couple of days, with multiple rounds of thunderstorms expected. Dangerous heat will persist across the southern and western U.S. through mid-week. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, where dry thunderstorms may spark additional wildfires. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Overcast

54°F

12°C

Humidity 90%
Wind Speed E 8 mph
Barometer 30.30 in (1022.4 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 23 Jun 3:53 pm MDT
Extended Forecast for

Mount Rushmore SD

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a steady temperature around 58. Calm wind.

    High: 58 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 49. Light and variable wind.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 64. Calm wind becoming east around 6 mph in the afternoon. Winds could gust as high as 17 mph.  Chance of precipitation is 50%.

    High: 64 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Cloudy, then gradually becoming partly cloudy, with a low around 49. East wind around 5 mph becoming calm  in the evening. Winds could gust as high as 15 mph.  Chance of precipitation is 40%.

    Low: 49 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after noon.  High near 60. Calm wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 25 mph.  Chance of precipitation is 80%.

    High: 60 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms between midnight and 3am, then a slight chance of showers after 3am.  Low around 52. Southeast wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 22 mph.  Chance of precipitation is 90%.

    Low: 52 °F

    Showers then
    Slight Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 60.

    Low: 60 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 58. Calm wind.
Tonight
Partly cloudy, with a low around 49. Light and variable wind.
Wednesday
A chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 64. Calm wind becoming east around 6 mph in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Cloudy, then gradually becoming partly cloudy, with a low around 49. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 40%.
Thursday
Showers likely, then showers and possibly a thunderstorm after noon. High near 60. Calm wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms between midnight and 3am, then a slight chance of showers after 3am. Low around 52. Southeast wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 90%.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76.
Friday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 57.
Sunday
A slight chance of showers and thunderstorms. Sunny, with a high near 77.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Monday
A slight chance of showers. Mostly sunny, with a high near 75.
Monday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 53.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Rushmore SD
 43.89°N 103.46°W (Elev. 5108 ft)
3:42 pm MDT Jun 23, 2026
4pm MDT Jun 23, 2026-6pm MDT Jun 30, 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