Severe Weather and Flooding Threats for the Central U.S.; Dangerous Heat in the Southern and Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. over the next couple of days, with multiple rounds of thunderstorms expected. Dangerous heat will persist across the southern and western U.S. through mid-week. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, where dry thunderstorms may spark additional wildfires. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Mostly Cloudy

56°F

13°C

Humidity 84%
Wind Speed N 3 mph
Barometer 30.29 in (1021.6 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 23 Jun 6:53 pm MDT
Extended Forecast for

8 Miles WNW Custer SD

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 59. Calm wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 50%.

    High: 59 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely after 9pm.  Mostly cloudy, with a low around 43. East wind 3 to 6 mph. Winds could gust as high as 18 mph.  Chance of precipitation is 60%.

    Low: 43 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 9am.  High near 53. Southeast wind 6 to 9 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%.

    High: 53 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms between midnight and 3am, then a slight chance of showers after 3am.  Low around 47. Southeast wind 5 to 8 mph becoming west after midnight. Winds could gust as high as 23 mph.  Chance of precipitation is 90%.

    Low: 47 °F

    Showers then
    Slight Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 70. Light and variable wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 24 mph.

    High: 70 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: 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

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Partly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 43. Calm wind.
Wednesday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 59. Calm wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely after 9pm. Mostly cloudy, with a low around 43. East wind 3 to 6 mph. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Thursday
Showers, with thunderstorms also possible after 9am. High near 53. Southeast wind 6 to 9 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Thursday Night
Showers and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms between midnight and 3am, then a slight chance of showers after 3am. Low around 47. Southeast wind 5 to 8 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. Light and variable wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 24 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 52.
Saturday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76.
Saturday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 50.
Sunday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 69.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 67.
Monday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 46.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WNW Custer SD
 43.81°N 103.76°W (Elev. 6575 ft)
5:47 pm MDT Jun 23, 2026
7pm MDT Jun 23, 2026-6pm MDT Jun 30, 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