Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

A Few Clouds

75°F

24°C

Humidity 52%
Wind Speed NE 9 mph
Barometer 30.08 in (1011.5 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 11 Aug 5:53 pm MDT
Extended Forecast for

5 Miles E Custer SD

Severe T-storm Watch August 11, 05:56pm until August 11, 08:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch August 11, 05:56pm until August 11, 08:00pm

    NOW until 8:00pm Tue

    Severe T-storm Watch

  • This Afternoon

    High: 84 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Some of the storms could be severe.  Partly cloudy, with a low around 59. Northeast wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 21 mph.

    Low: 59 °F

    Severe
    Thunderstorms
    then Partly
    Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 79. Calm wind becoming east 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 79 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 3am, then showers likely.  Low around 54. East wind 5 to 9 mph becoming calm  after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 80%.

    Low: 54 °F

    Showers

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 66. Light and variable wind becoming east 5 to 9 mph in the morning. Winds could gust as high as 24 mph.  Chance of precipitation is 70%.

    High: 66 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm.  Low around 54. East wind 5 to 9 mph becoming light southeast  after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 80%.

    Low: 54 °F

    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after noon.  Cloudy, then gradually becoming mostly sunny, with a high near 78. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

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

    Low: 54 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Some of the storms could be severe. Mostly sunny, with a high near 84. Northeast wind around 9 mph, with gusts as high as 21 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Some of the storms could be severe. Partly cloudy, with a low around 59. Northeast wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Wednesday
A 50 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 79. Calm wind becoming east 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Showers and possibly a thunderstorm before 3am, then showers likely. Low around 54. East wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 66. Light and variable wind becoming east 5 to 9 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 70%.
Thursday Night
Showers and possibly a thunderstorm. Low around 54. East wind 5 to 9 mph becoming light southeast after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%.
Friday
A chance of showers, with thunderstorms also possible after noon. Cloudy, then gradually becoming mostly sunny, with a high near 78. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. Partly sunny, with a high near 73.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Partly cloudy, with a low around 52.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 74.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Custer SD
 43.76°N 103.51°W (Elev. 5249 ft)
5:36 pm MDT Aug 11, 2026
5pm MDT Aug 11, 2026-6pm MDT Aug 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

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