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

5 Miles NW Hill City SD

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Light and variable wind.

    Low: 45 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 67. Light and variable wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 67 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after midnight.  Partly cloudy, with a low around 45. East wind around 5 mph becoming calm  in the evening. Winds could gust as high as 20 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 66. Southeast wind 3 to 7 mph. Winds could gust as high as 23 mph.  Chance of precipitation is 60%.

    High: 66 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 49. Southeast wind around 6 mph becoming calm  in the evening. Winds could gust as high as 21 mph.  Chance of precipitation is 80%.

    Low: 49 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm.  High near 60. Calm wind becoming north around 6 mph in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 90%.

    High: 60 °F

    Showers then
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 44. Chance of precipitation is 50%.

    Low: 44 °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 62.

    High: 62 °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 43.

    Low: 43 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 45. Light and variable wind.
Juneteenth
Mostly sunny, with a high near 67. Light and variable wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 45. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Saturday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 66. Southeast wind 3 to 7 mph. Winds could gust as high as 23 mph. Chance of precipitation is 60%.
Saturday Night
Showers and possibly a thunderstorm. Low around 49. Southeast wind around 6 mph becoming calm in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. High near 60. Calm wind becoming north around 6 mph in the afternoon. 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 44. Chance of precipitation is 50%.
Monday
Showers likely, then showers and possibly a thunderstorm after noon. Partly sunny, with a high near 62.
Monday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 43.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 64.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 43.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 66.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 47.
Thursday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Hill City SD
 43.97°N 103.65°W (Elev. 5568 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