Showers and Storms continue across the East; Heat, Critical Fire Weather, Drought, and Poor Air Quality continues in the West

A series of fronts will focus locally heavy showers and storms across portions of the central and eastern U.S. through the end of the workweek. Dangerous to extreme heat continues across the Southwest U.S., eventually spreading eastward over the weekend into early next week. Elevated fire weather conditions continue across the Great Basin, with degraded air quality lingering across the Northwest. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

50°F

10°C

Humidity 63%
Wind Speed W 3 mph
Barometer 30.19 in (1018.1 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 5 Aug 2:53 am MDT
Extended Forecast for

4 Miles SSE Keystone SD

  • Overnight

    Overnight: Areas of smoke. Partly cloudy, with a low around 53. West wind around 5 mph.

    Low: 53 °F

    Areas Smoke

  • Wednesday

    Wednesday: Areas of smoke. Mostly sunny, with a high near 81. Light and variable wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 24 mph.

    High: 81 °F

    Areas Smoke

  • Wednesday Night

    Wednesday Night: Areas of smoke. Mostly clear, with a low around 62. Light and variable wind becoming southwest 5 to 7 mph after midnight. Winds could gust as high as 21 mph.

    Low: 62 °F

    Areas Smoke

  • Thursday

    Thursday: Areas of smoke. Mostly sunny, with a high near 91. West wind around 6 mph becoming calm. Winds could gust as high as 22 mph.

    High: 91 °F

    Areas Smoke

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. North wind 6 to 10 mph becoming northwest in the evening. Winds could gust as high as 20 mph.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87. Northwest wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 26 mph.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Overnight
Areas of smoke. Partly cloudy, with a low around 53. West wind around 5 mph.
Wednesday
Areas of smoke. Mostly sunny, with a high near 81. Light and variable wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 24 mph.
Wednesday Night
Areas of smoke. Mostly clear, with a low around 62. Light and variable wind becoming southwest 5 to 7 mph after midnight. Winds could gust as high as 21 mph.
Thursday
Areas of smoke. Mostly sunny, with a high near 91. West wind around 6 mph becoming calm. Winds could gust as high as 22 mph.
Thursday Night
Mostly clear, with a low around 64. North wind 6 to 10 mph becoming northwest in the evening. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 87. Northwest wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 26 mph.
Friday Night
Mostly clear, with a low around 66.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny, with a high near 91.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Monday
Sunny, with a high near 85.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Keystone SD
 43.83°N 103.37°W (Elev. 4400 ft)
2:06 am MDT Aug 5, 2026
3am MDT Aug 5, 2026-6pm MDT Aug 11, 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