National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

52°F

11°C

Humidity 69%
Wind Speed W 3 mph
Barometer 30.13 in (1014.1 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 8 Sep 3:53 am MDT
Extended Forecast for

Edgemont SD

  • Today

    Today: Sunny, with a high near 86. West wind 5 to 8 mph, with gusts as high as 20 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. North wind 7 to 13 mph becoming east in the evening. Winds could gust as high as 20 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. West wind 7 to 11 mph, with gusts as high as 22 mph.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 50. North wind 5 to 7 mph becoming light and variable after midnight. Winds could gust as high as 16 mph.

    Low: 50 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 91. Light and variable wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. West wind 6 to 13 mph.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. Breezy.

    High: 86 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49. Breezy.

    Low: 49 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Saturday

    Saturday: A slight chance of showers after noon. Mostly sunny, with a high near 77. Breezy.

    High: 77 °F

    Mostly Sunny
    then Slight
    Chance
    Showers and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 86. West wind 5 to 8 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 52. North wind 7 to 13 mph becoming east in the evening. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 82. West wind 7 to 11 mph, with gusts as high as 22 mph.
Wednesday Night
Clear, with a low around 50. North wind 5 to 7 mph becoming light and variable after midnight. Winds could gust as high as 16 mph.
Thursday
Sunny, with a high near 91. Light and variable wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 57. West wind 6 to 13 mph.
Friday
Sunny, with a high near 86. Breezy.
Friday Night
Partly cloudy, with a low around 49. Breezy.
Saturday
A slight chance of showers after noon. Mostly sunny, with a high near 77. Breezy.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Breezy.
Sunday
A chance of showers. Partly sunny, with a high near 74. Breezy.
Sunday Night
A chance of showers. Partly cloudy, with a low around 45. Breezy.
Monday
A slight chance of showers. Mostly sunny, with a high near 73. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Edgemont SD
 43.29°N 103.83°W (Elev. 3589 ft)
Last Update:
3:31 am MDT Sep 8, 2026
Forecast Valid:
4am MDT Sep 8, 2026-6pm MDT Sep 14, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation