Heavy to Excessive Rains in The Four Corners Region and Midwest; Heat Persists in the South-Central U.S.

Repeated rounds of showers and thunderstorms could bring a flash flooding threat across the Four Corners region and from the mid-Mississippi Valley into the lower Great Lakes. Hot temperatures and high humidity will continue to challenge daily records from the Southern Plains to the lower Mississippi Valley. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

74°F

23°C

Humidity 32%
Wind Speed W 9 mph
Barometer 30.24 in (1018.0 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 16 Sep 3:53 pm MDT
Extended Forecast for

5 Miles E Custer SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. North wind around 5 mph becoming calm  after midnight. Winds could gust as high as 20 mph.

    Low: 54 °F

    Mostly Cloudy

  • Thursday

    Thursday: 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 69. East wind 3 to 6 mph. Winds could gust as high as 21 mph.  Chance of precipitation is 70%.

    High: 69 °F

    Mostly Cloudy
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm.  Cloudy, with a low around 54. Northeast wind around 5 mph becoming calm  in the evening. Winds could gust as high as 18 mph.  Chance of precipitation is 70%.

    Low: 54 °F

    Showers
    Likely

  • Friday

    Friday: Partly sunny, with a high near 75. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 75 °F

    Partly 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 51. Light and variable wind. Winds could gust as high as 15 mph.  Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 68. Calm wind becoming southeast around 5 mph in the afternoon. Winds could gust as high as 17 mph.  Chance of precipitation is 70%.

    High: 68 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 51. Chance of precipitation is 90%.

    Low: 51 °F

    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 62.

    High: 62 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers.  Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 54. North wind around 5 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Thursday
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 69. East wind 3 to 6 mph. 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 54. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 70%.
Friday
Partly sunny, with a high near 75. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 17 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 51. Light and variable wind. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Saturday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 68. Calm wind becoming southeast around 5 mph in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 70%.
Saturday Night
Showers and possibly a thunderstorm. Low around 51. Chance of precipitation is 90%.
Sunday
Showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 62.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 49.
Monday
Showers likely, mainly after noon. Mostly sunny, with a high near 66.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
A slight chance of showers. Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Custer SD
 43.76°N 103.51°W (Elev. 5249 ft)
3:17 pm MDT Sep 16, 2026
4pm MDT Sep 16, 2026-6pm MDT Sep 23, 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