Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

51°F

11°C

Humidity 64%
Wind Speed N 8 mph
Barometer 30.22 in (1017.7 mb)
Dewpoint 39°F (4°C)
Visibility 9.00 mi
Wind Chill48°F (9°C)
Last update 3 Aug 10:53 pm MDT
Extended Forecast for

4 Miles SSW Custer County Airport SD

  • Overnight

    Overnight: Areas of smoke. Mostly clear, with a low around 46. North wind 5 to 7 mph becoming calm. Winds could gust as high as 15 mph.

    Low: 46 °F

    Areas Smoke

  • Tuesday

    Tuesday: Areas of smoke. Mostly sunny, with a high near 67. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 67 °F

    Areas Smoke

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after midnight.  Partly cloudy, with a low around 48. South wind around 5 mph becoming calm  in the evening. Winds could gust as high as 17 mph.

    Low: 48 °F

    Mostly Clear
    then Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76. Calm wind becoming southwest around 6 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. West wind around 5 mph becoming calm  in the evening. Winds could gust as high as 17 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
Areas of smoke. Mostly clear, with a low around 46. North wind 5 to 7 mph becoming calm. Winds could gust as high as 15 mph.
Tuesday
Areas of smoke. Mostly sunny, with a high near 67. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 17 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 48. South wind around 5 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Wednesday
Mostly sunny, with a high near 76. Calm wind becoming southwest around 6 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 53. West wind around 5 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Thursday
Sunny, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 17 mph.
Thursday Night
Clear, with a low around 57.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Custer County Airport SD
 43.69°N 103.65°W (Elev. 5400 ft)
9:26 pm MDT Aug 3, 2026
12am MDT Aug 4, 2026-6pm MDT Aug 10, 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