Thunderstorms and Heavy Rainfall from the Plains to the Mid-Atlantic

Severe thunderstorms producing damaging winds are most likely over parts of the Dakotas into Minnesota from this afternoon into the overnight, with other isolated storms producing hail or wind over the northern High Plains. In the Northern Plains into the Upper Great Lakes and Mid-Atlantic, heavy to excessive rain may bring flash and urban flooding through Wednesday. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

A Few Clouds

60°F

16°C

Humidity 90%
Wind Speed NE 6 mph
Barometer 30.20 in (1016.0 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 7 Jul 6:53 am MDT
Extended Forecast for

Mount Rushmore SD

  • Today

    Today: A 50 percent chance of showers and thunderstorms after 3pm. Some of the storms could be severe.  Partly sunny, with a high near 87. Light and variable wind becoming southeast around 6 mph. Winds could gust as high as 22 mph.

    High: 87 °F

    Mostly Cloudy
    then Severe
    Thunderstorms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before midnight. Some of the storms could be severe.  Cloudy, then gradually becoming partly cloudy, with a low around 61. Light and variable wind. Winds could gust as high as 20 mph.

    Low: 61 °F

    Severe
    Thunderstorms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after noon.  Increasing clouds, with a high near 79. Light and variable wind. Winds could gust as high as 17 mph.  Chance of precipitation is 70%.

    High: 79 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers.  Mostly cloudy, with a low around 58. Light and variable wind. Winds could gust as high as 17 mph.  Chance of precipitation is 50%.

    Low: 58 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers, then showers and possibly a thunderstorm after noon.  High near 80. Calm wind becoming southeast around 5 mph. Winds could gust as high as 17 mph.  Chance of precipitation is 80%.

    High: 80 °F

    Slight Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 58. Light and variable wind. Winds could gust as high as 15 mph.

    Low: 58 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms after 3pm. Some of the storms could be severe. Partly sunny, with a high near 87. Light and variable wind becoming southeast around 6 mph. Winds could gust as high as 22 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before midnight. Some of the storms could be severe. Cloudy, then gradually becoming partly cloudy, with a low around 61. Light and variable wind. Winds could gust as high as 20 mph.
Wednesday
Showers and thunderstorms likely, mainly after noon. Increasing clouds, with a high near 79. Light and variable wind. Winds could gust as high as 17 mph. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers. Mostly cloudy, with a low around 58. Light and variable wind. Winds could gust as high as 17 mph. Chance of precipitation is 50%.
Thursday
A slight chance of showers, then showers and possibly a thunderstorm after noon. High near 80. Calm wind becoming southeast around 5 mph. Winds could gust as high as 17 mph. Chance of precipitation is 80%.
Thursday Night
A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58. Light and variable wind. Winds could gust as high as 15 mph.
Friday
Mostly sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Sunny, with a high near 93.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 71.
Monday
Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Rushmore SD
 43.89°N 103.46°W (Elev. 5108 ft)
6:33 am MDT Jul 7, 2026
7am MDT Jul 7, 2026-6pm MDT Jul 13, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database