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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

63°F

17°C

Humidity 58%
Wind Speed Calm
Barometer 30.05 in (1009.6 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 29 Aug 1:53 am MDT
Extended Forecast for

10 Miles W Hill City SD

  • Overnight

    Overnight: Partly cloudy, with a low around 60. Light west wind.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78. West wind 5 to 9 mph, with gusts as high as 28 mph.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Cloudy, then gradually becoming partly cloudy, with a low around 57. West wind 5 to 7 mph, with gusts as high as 24 mph.

    Low: 57 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 74. Southwest wind 8 to 13 mph, with gusts as high as 33 mph.

    High: 74 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50. West wind 5 to 9 mph becoming light northwest. Winds could gust as high as 29 mph.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 72. West wind 3 to 7 mph. Winds could gust as high as 22 mph.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 73.

    High: 73 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 60. Light west wind.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78. West wind 5 to 9 mph, with gusts as high as 28 mph.
Saturday Night
Cloudy, then gradually becoming partly cloudy, with a low around 57. West wind 5 to 7 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 74. Southwest wind 8 to 13 mph, with gusts as high as 33 mph.
Sunday Night
Partly cloudy, with a low around 50. West wind 5 to 9 mph becoming light northwest. Winds could gust as high as 29 mph.
Monday
Sunny, with a high near 72. West wind 3 to 7 mph. Winds could gust as high as 22 mph.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles W Hill City SD
 43.94°N 103.77°W (Elev. 6860 ft)
Last Update:
12:31 am MDT Aug 29, 2026
Forecast Valid:
2am MDT Aug 29, 2026-6pm MDT Sep 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation