Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

51°F

11°C

Humidity 54%
Wind Speed Calm
Barometer 30.26 in (1021.0 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 15 Sep 8:53 am MDT
Extended Forecast for

Mount Rushmore SD

  • Today

    Today: Sunny, with a high near 67. Light and variable wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 24 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 53. Southeast wind 6 to 9 mph, with gusts as high as 28 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 81. South wind around 6 mph becoming light and variable  in the afternoon. Winds could gust as high as 24 mph.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after midnight.  Increasing clouds, with a low around 55. North wind around 5 mph becoming calm  after midnight.

    Low: 55 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 3pm.  Mostly cloudy, with a high near 68. Light and variable wind.  Chance of precipitation is 50%.

    High: 68 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 58. Calm wind.  Chance of precipitation is 50%.

    Low: 58 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers.  Mostly sunny, with a high near 70.

    High: 70 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 67. Light and variable wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 24 mph.
Tonight
Increasing clouds, with a low around 53. Southeast wind 6 to 9 mph, with gusts as high as 28 mph.
Wednesday
Sunny, with a high near 81. South wind around 6 mph becoming light and variable in the afternoon. Winds could gust as high as 24 mph.
Wednesday Night
A 30 percent chance of showers after midnight. Increasing clouds, with a low around 55. North wind around 5 mph becoming calm after midnight.
Thursday
A chance of showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 68. Light and variable wind. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Calm wind. Chance of precipitation is 50%.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Saturday
A chance of showers. Mostly sunny, with a high near 70.
Saturday Night
A chance of showers, mainly before midnight. Mostly clear, with a low around 50.
Sunday
A chance of showers. Mostly sunny, with a high near 72.
Sunday Night
A slight chance of showers. Mostly clear, with a low around 50.
Monday
Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Rushmore SD
 43.87°N 103.46°W (Elev. 5000 ft)
8:42 am MDT Sep 15, 2026
9am MDT Sep 15, 2026-6pm MDT Sep 21, 2026
 
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Additional Resources

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