Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

A stationary front will be the focus for daily showers and thunderstorms capable of widely scattered flash flooding and severe weather from the High Plains to the Ohio Valley. Monsoonal thunderstorms could cause local flash flooding across the Southwest and the Great Basin. Dangerous heat continues across the Central Plains and Southeast. Many areas will see their hottest temperatures of the year. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Mostly Cloudy

71°F

22°C

Humidity 76%
Wind Speed S 7 mph
Barometer 30.09 in (1012.0 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 12 Aug 10:53 am MDT
Extended Forecast for

4 Miles W Hot Springs SD

  • Today

    Today: A slight chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm.  Mostly cloudy, with a high near 84. Southeast wind 8 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 26 mph.  Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and 3am, then a chance of showers after 3am.  Low around 59. Northeast wind 10 to 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 80%.

    Low: 59 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 74. Northeast wind 10 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm, then showers after midnight.  Low around 59. East wind 5 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%.

    Low: 59 °F

    Showers

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 84. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 84 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 60. Northeast wind 5 to 10 mph becoming light  after midnight. Winds could gust as high as 22 mph.  Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 78. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Saturday Night

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

    Low: 57 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after noon.  Mostly sunny, with a high near 79.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 84. Southeast wind 8 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 60%.
Tonight
Showers and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and 3am, then a chance of showers after 3am. Low around 59. Northeast wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Thursday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 74. Northeast wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Thursday Night
Showers likely and possibly a thunderstorm, then showers after midnight. Low around 59. East wind 5 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 84. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Northeast wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 50%.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 57.
Sunday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 79.
Sunday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 83.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Hot Springs SD
 43.43°N 103.57°W (Elev. 3993 ft)
10:51 am MDT Aug 12, 2026
11am MDT Aug 12, 2026-6pm MDT Aug 18, 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