Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fog

56°F

13°C

Humidity 100%
Wind Speed NE 6 mph
Barometer 30.09 in (1013.8 mb)
Dewpoint 56°F (13°C)
Visibility 0.25 mi
Last update 13 Aug 5:53 am MDT
Extended Forecast for

5 Miles NW Custer SD

  • Today

    Today: Scattered showers, with thunderstorms also possible after noon.  Patchy fog before 9am.  Otherwise, cloudy, with a high near 63. East wind 3 to 7 mph. Winds could gust as high as 21 mph.  Chance of precipitation is 40%.

    High: 63 °F

    Scattered
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Patchy fog.  Otherwise, cloudy, with a low around 51. East wind 5 to 7 mph becoming light and variable  after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 40%.

    Low: 51 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after noon.  Patchy fog before 9am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 74. South wind 3 to 5 mph. Winds could gust as high as 20 mph.  Chance of precipitation is 20%.

    High: 74 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 52. Light and variable wind. Winds could gust as high as 16 mph.

    Low: 52 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after noon.  Mostly cloudy, with a high near 69. Light and variable wind. Winds could gust as high as 15 mph.  Chance of precipitation is 60%.

    High: 69 °F

    Chance
    Showers then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers.  Cloudy, then gradually becoming partly cloudy, with a low around 49. Light and variable wind.  Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly sunny, with a high near 71. Chance of precipitation is 60%.

    High: 71 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A slight chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Scattered showers, with thunderstorms also possible after noon. Patchy fog before 9am. Otherwise, cloudy, with a high near 63. East wind 3 to 7 mph. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Tonight
A chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a low around 51. East wind 5 to 7 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Friday
A slight chance of showers, with thunderstorms also possible after noon. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 74. South wind 3 to 5 mph. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Light and variable wind. Winds could gust as high as 16 mph.
Saturday
Showers and thunderstorms likely, mainly after noon. Mostly cloudy, with a high near 69. Light and variable wind. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Cloudy, then gradually becoming partly cloudy, with a low around 49. Light and variable wind. Chance of precipitation is 70%.
Sunday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 71. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 51.
Monday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76.
Monday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 53.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 76.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Custer SD
 43.82°N 103.67°W (Elev. 6001 ft)
5:56 am MDT Aug 13, 2026
6am MDT Aug 13, 2026-6pm MDT Aug 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database