Lowell to Impact Hawaii; Heat Persists in the South-Central U.S.

Hurricane Lowell is forecast to pass west of Kauai`s coastal waters tonight. Impacts such as high surf and heavy rain could impact all of the islands. Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley into this week with limited nighttime relief. Periods of moderate to heavy rainfall will be possible through Tuesday morning in the northern Rockies. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

70°F

21°C

Humidity 71%
Wind Speed Calm
Barometer 30.05 in (1009.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 6 Sep 10:53 pm MDT
Extended Forecast for

Hill City SD

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly between midnight and 4am.  Mostly cloudy, with a low around 64. Southwest wind around 6 mph, with gusts as high as 21 mph.

    Low: 64 °F

    Chance
    T-storms

  • Labor Day

    Labor Day: Partly sunny, with a high near 84. West wind 5 to 14 mph, with gusts as high as 28 mph.

    High: 84 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. West wind 5 to 8 mph becoming calm  after midnight. Winds could gust as high as 25 mph.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. Light northwest wind. Winds could gust as high as 21 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. Calm wind becoming northwest around 5 mph. Winds could gust as high as 20 mph.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly between midnight and 4am. Mostly cloudy, with a low around 64. Southwest wind around 6 mph, with gusts as high as 21 mph.
Labor Day
Partly sunny, with a high near 84. West wind 5 to 14 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 53. West wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 25 mph.
Tuesday
Sunny, with a high near 77. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 50. Light northwest wind. Winds could gust as high as 21 mph.
Wednesday
Sunny, with a high near 73. Calm wind becoming northwest around 5 mph. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 50.
Saturday
A chance of showers. Mostly sunny, with a high near 68.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 45.
Sunday
A slight chance of showers. Mostly sunny, with a high near 65.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Hill City SD
 43.93°N 103.56°W (Elev. 5161 ft)
11:06 pm MDT Sep 6, 2026
11pm MDT Sep 6, 2026-6pm MDT Sep 13, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database