Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Mostly Cloudy

55°F

13°C

Humidity 59%
Wind Speed S 7 mph
Barometer 30.25 in (1020.7 mb)
Dewpoint 41°F (5°C)
Visibility 9.00 mi
Wind Chill53°F (12°C)
Last update 4 Aug 9:53 am MDT
Extended Forecast for

5 Miles E Custer SD

  • Today

    Today: 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 18 mph.

    High: 67 °F

    Areas Smoke

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after midnight.  Partly cloudy, with a low around 49. South wind around 5 mph becoming calm  in the evening. Winds could gust as high as 17 mph.

    Low: 49 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 76. Calm wind becoming south around 6 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. West wind around 5 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. Calm wind becoming east around 6 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. Northeast wind around 5 mph becoming calm  in the evening. Winds could gust as high as 17 mph.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
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 18 mph.
Tonight
A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 49. South wind around 5 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Wednesday
Sunny, with a high near 76. Calm wind becoming south around 6 mph in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 54. West wind around 5 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 85. Calm wind becoming east around 6 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Mostly clear, with a low around 59. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Friday
Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 61.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Custer SD
 43.76°N 103.51°W (Elev. 5249 ft)
10:36 am MDT Aug 4, 2026
10am 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