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

45°F

7°C

Humidity 61%
Wind Speed SW 7 mph
Barometer 30.17 in (1019.9 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 20 May 7:53 am MDT
Extended Forecast for

Custer SD

  • Today

    Today: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 60. Southwest wind around 8 mph, with gusts as high as 20 mph.

    High: 60 °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 37. Southeast wind 5 to 7 mph becoming calm  after midnight. Winds could gust as high as 20 mph.

    Low: 37 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 61. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 21 mph.  Chance of precipitation is 70%.

    High: 61 °F

    Partly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm.  Cloudy, with a low around 39. Southeast wind 5 to 7 mph becoming light and variable  in the evening. Winds could gust as high as 18 mph.  Chance of precipitation is 70%.

    Low: 39 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely.  Mostly cloudy, with a high near 56. North wind around 6 mph, with gusts as high as 17 mph.  Chance of precipitation is 60%.

    High: 56 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. North wind around 5 mph becoming calm  in the evening. Winds could gust as high as 15 mph.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after noon.  Sunny, with a high near 77.

    High: 77 °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 60. Southwest wind around 8 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 37. Southeast wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Thursday
Showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 61. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 39. Southeast wind 5 to 7 mph becoming light and variable in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 70%.
Friday
Showers likely. Mostly cloudy, with a high near 56. North wind around 6 mph, with gusts as high as 17 mph. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 37. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 43.
Sunday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 49.
Memorial Day
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 52.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Custer SD
 43.78°N 103.6°W (Elev. 5476 ft)
6:56 am MDT May 20, 2026
8am MDT May 20, 2026-6pm MDT May 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database