Heat Continues Across the Southern Plains and Gulf Coast; Heavy Rainfall from the Tennessee Valley to Southeast on Friday

Hazardous heat will continue across the Southern Plains, Gulf Coast and Desert Southwest through the weekend. Additional heat will build into the Great Basin and Northern Plains this weekend. A stalled front is expected to bring periods of heavy to excessive rainfall and flooding from the Tennessee Valley to the Southeast U.S on Friday. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fog/Mist

60°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 30.19 in (1016.5 mb)
Dewpoint 60°F (16°C)
Visibility 3.00 mi
Last update 23 Jul 11:53 pm MDT
Extended Forecast for

4 Miles E Custer SD

  • Overnight

    Overnight: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 91. Light and variable wind. Winds could gust as high as 17 mph.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 68. Light and variable wind. Winds could gust as high as 16 mph.

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 99. West wind 5 to 8 mph becoming south in the afternoon. Winds could gust as high as 23 mph.

    High: 99 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 72. South wind around 6 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 72 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 98. West wind around 6 mph becoming north in the afternoon. Winds could gust as high as 18 mph.

    High: 98 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 59. Calm wind.
Friday
Sunny, with a high near 91. Light and variable wind. Winds could gust as high as 17 mph.
Friday Night
Mostly clear, with a low around 68. Light and variable wind. Winds could gust as high as 16 mph.
Saturday
Sunny, with a high near 99. West wind 5 to 8 mph becoming south in the afternoon. Winds could gust as high as 23 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 72. South wind around 6 mph becoming west after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 98. West wind around 6 mph becoming north in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 70.
Monday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 94.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Tuesday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 88.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Custer SD
 43.78°N 103.51°W (Elev. 5217 ft)
10:51 pm MDT Jul 23, 2026
12am MDT Jul 24, 2026-6pm MDT Jul 30, 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