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

55°F

13°C

Humidity 51%
Wind Speed E 5 mph
Barometer 30.08 in (1014.2 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 18 Jun 8:53 pm MDT
Extended Forecast for

7 Miles NW Custer SD

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Light and variable wind becoming northwest around 5 mph after midnight.

    Low: 44 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 66. West wind 6 to 11 mph becoming light and variable. Winds could gust as high as 17 mph.

    High: 66 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after midnight.  Increasing clouds, with a low around 45. East wind around 6 mph, with gusts as high as 17 mph.

    Low: 45 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 65. Southeast wind 5 to 8 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%.

    High: 65 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 48. East wind 5 to 8 mph becoming calm  after midnight. Winds could gust as high as 23 mph.  Chance of precipitation is 80%.

    Low: 48 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm.  High near 59. Calm wind becoming north 5 to 7 mph in the morning. Winds could gust as high as 22 mph.  Chance of precipitation is 90%.

    High: 59 °F

    Showers then
    T-storms

  • 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: Showers likely, then showers and possibly a thunderstorm after noon.  Partly sunny, with a high near 61.

    High: 61 °F

    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 44. Light and variable wind becoming northwest around 5 mph after midnight.
Juneteenth
Mostly sunny, with a high near 66. West wind 6 to 11 mph becoming light and variable. Winds could gust as high as 17 mph.
Friday Night
A 20 percent chance of showers after midnight. Increasing clouds, with a low around 45. East wind around 6 mph, with gusts as high as 17 mph.
Saturday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 65. Southeast wind 5 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Saturday Night
Showers and possibly a thunderstorm. Low around 48. East wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. High near 59. Calm wind becoming north 5 to 7 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 90%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 43. Chance of precipitation is 40%.
Monday
Showers likely, then showers and possibly a thunderstorm after noon. Partly sunny, with a high near 61.
Monday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 42.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 62.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 42.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 64.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 46.
Thursday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NW Custer SD
 43.84°N 103.7°W (Elev. 6024 ft)
9:09 pm MDT Jun 18, 2026
9pm MDT Jun 18, 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