Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

46°F

8°C

Humidity 68%
Wind Speed N 5 mph
Barometer 30.15 in (1016.9 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 19 Jun 12:53 am MDT
Extended Forecast for

6 Miles NNE Custer SD

  • Overnight

    Overnight: Partly cloudy, with a low around 44. Northwest wind around 6 mph.

    Low: 44 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 65. Northwest wind 5 to 9 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 65 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 3am.  Partly cloudy, with a low around 43. East wind 5 to 7 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 63. Southeast wind 6 to 9 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%.

    High: 63 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 47. East wind 5 to 8 mph becoming light and variable. Winds could gust as high as 22 mph.  Chance of precipitation is 100%.

    Low: 47 °F

    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 9am.  High near 56. North wind 5 to 7 mph, with gusts as high as 23 mph.  Chance of precipitation is 100%.

    High: 56 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 43. Chance of precipitation is 40%.

    Low: 43 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers, then showers and possibly a thunderstorm after noon.  Partly sunny, with a high near 58.

    High: 58 °F

    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 44. Northwest wind around 6 mph.
Juneteenth
Mostly sunny, with a high near 65. Northwest wind 5 to 9 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 43. East wind 5 to 7 mph, with gusts as high as 20 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 63. Southeast wind 6 to 9 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Saturday Night
Showers and possibly a thunderstorm. Low around 47. East wind 5 to 8 mph becoming light and variable. Winds could gust as high as 22 mph. Chance of precipitation is 100%.
Sunday
Showers, with thunderstorms also possible after 9am. High near 56. North wind 5 to 7 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 43. Chance of precipitation is 40%.
Monday
A chance of showers, then showers and possibly a thunderstorm after noon. Partly sunny, with a high near 58.
Monday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 41.
Tuesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 61.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 41.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 63.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 45.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNE Custer SD
 43.84°N 103.58°W (Elev. 6171 ft)
1:07 am MDT Jun 19, 2026
1am MDT Jun 19, 2026-6pm MDT Jun 25, 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