Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. 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.

Fair

60°F

16°C

Humidity 93%
Wind Speed N 3 mph
Barometer 30.10 in (1011.5 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 12 Aug 1:53 am MDT
Extended Forecast for

Hot Springs SD

  • Overnight

    Overnight: Mostly clear early, then becoming mostly cloudy, with a low around 64. North wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 3pm.  Mostly cloudy, with a high near 87. North wind 5 to 11 mph becoming east in the morning. Winds could gust as high as 24 mph.  Chance of precipitation is 60%.

    High: 87 °F

    Partly Sunny
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before midnight.  Mostly cloudy, with a low around 59. Northeast wind 9 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%.

    Low: 59 °F

    T-storms
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 78. East wind 9 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm.  Low around 59. East wind 10 to 15 mph becoming light southeast  after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 90%.

    Low: 59 °F

    Showers

  • Friday

    Friday: A 20 percent chance of showers before noon.  Cloudy, then gradually becoming mostly sunny, with a high near 86. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 23 mph.

    High: 86 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight.  Mostly cloudy, with a low around 60. Chance of precipitation is 60%.

    Low: 60 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 79.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 57.

    Low: 57 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear early, then becoming mostly cloudy, with a low around 64. North wind 8 to 11 mph, with gusts as high as 20 mph.
Wednesday
Showers and thunderstorms likely, mainly after 3pm. Mostly cloudy, with a high near 87. North wind 5 to 11 mph becoming east in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 59. Northeast wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Thursday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 78. East wind 9 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Thursday Night
Showers and possibly a thunderstorm. Low around 59. East wind 10 to 15 mph becoming light southeast after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%.
Friday
A 20 percent chance of showers before noon. Cloudy, then gradually becoming mostly sunny, with a high near 86. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 23 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 57.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 82.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 87.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Hot Springs SD
 43.44°N 103.48°W (Elev. 3599 ft)
12:31 am MDT Aug 12, 2026
2am MDT Aug 12, 2026-6pm MDT Aug 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database