Severe Storms and Heavy Rain in Texas; Record Heat Along the East Coast

Scattered severe storms with large hail, isolated severe gusts, and localized flooding are expected across parts of west Texas. Isolated flash flooding is also possible in the central Gulf coast. An early season heat wave will continue to impact the eastern U.S. today, before isolated severe storms move across the central Appalachians into the Mid-Atlantic and far southern New England. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

35°F

2°C

Humidity 72%
Wind Speed NW 3 mph
Barometer 30.18 in (1021.1 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 20 May 6:53 am MDT
Extended Forecast for

Mount Rushmore SD

  • Today

    Today: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 62. Southwest wind around 7 mph becoming southeast in the afternoon. Winds could gust as high as 22 mph.

    High: 62 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 43. Southeast wind around 6 mph becoming southwest after midnight. Winds could gust as high as 22 mph.

    Low: 43 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 63. Calm wind becoming southeast 5 to 8 mph in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 70%.

    High: 63 °F

    Partly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm.  Cloudy, with a low around 44. Southeast wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 18 mph.  Chance of precipitation is 70%.

    Low: 44 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly before noon.  Mostly cloudy, with a high near 56. North wind 3 to 6 mph. Winds could gust as high as 18 mph.  Chance of precipitation is 60%.

    High: 56 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42. Light and variable wind. Winds could gust as high as 15 mph.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 68.

    High: 68 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after noon.  Sunny, with a high near 78.

    High: 78 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 62. Southwest wind around 7 mph becoming southeast in the afternoon. Winds could gust as high as 22 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 43. Southeast wind around 6 mph becoming southwest after midnight. Winds could gust as high as 22 mph.
Thursday
Showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 63. Calm wind becoming southeast 5 to 8 mph in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 44. Southeast wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 70%.
Friday
Showers likely, mainly before noon. Mostly cloudy, with a high near 56. North wind 3 to 6 mph. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 42. Light and variable wind. Winds could gust as high as 15 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 47.
Sunday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 53.
Memorial Day
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Mostly sunny, with a high near 80.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Rushmore SD
 43.87°N 103.46°W (Elev. 5000 ft)
6:56 am MDT May 20, 2026
7am MDT May 20, 2026-6pm MDT May 26, 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