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

Rosebud Sioux Tribal Airport (KSUO)

Lat: 43.26°NLon: 100.86°WElev: 2724ft.

Fair

66°F

19°C

Humidity 49%
Wind Speed E 7 mph
Barometer 29.94 in
Dewpoint 46°F (8°C)
Visibility 9.00 mi
Last update 18 Jun 9:15 pm CDT
Extended Forecast for

8 Miles SSE Long Valley SD

  • Tonight

    Tonight: Partly cloudy, with a low around 53. East wind 6 to 8 mph becoming southwest after midnight.

    Low: 53 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 77. North wind 9 to 15 mph, with gusts as high as 23 mph.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after midnight.  Partly cloudy, with a low around 52. North wind 9 to 11 mph becoming southeast after midnight. Winds could gust as high as 20 mph.

    Low: 52 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 73. Breezy, with a southeast wind 14 to 23 mph, with gusts as high as 31 mph.  Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 52. Breezy, with an east wind 13 to 22 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%.

    Low: 52 °F

    Showers and
    Breezy

  • Sunday

    Sunday: Showers and possibly a thunderstorm.  High near 65. Breezy, with an east wind 16 to 21 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%.

    High: 65 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 49. Breezy.  Chance of precipitation is 50%.

    Low: 49 °F

    Chance
    T-storms and
    Breezy then
    Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 69.

    High: 69 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 53. East wind 6 to 8 mph becoming southwest after midnight.
Juneteenth
Mostly sunny, with a high near 77. North wind 9 to 15 mph, with gusts as high as 23 mph.
Friday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 52. North wind 9 to 11 mph becoming southeast after midnight. Winds could gust 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 73. Breezy, with a southeast wind 14 to 23 mph, with gusts as high as 31 mph. Chance of precipitation is 70%.
Saturday Night
Showers and possibly a thunderstorm. Low around 52. Breezy, with an east wind 13 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. High near 65. Breezy, with an east wind 16 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Breezy. Chance of precipitation is 50%.
Monday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 69.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Tuesday
A chance of showers before noon. Mostly sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 73.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 75. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSE Long Valley SD
 43.35°N 101.45°W (Elev. 3094 ft)
8:07 pm MDT Jun 18, 2026
8pm 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