Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

64°F

18°C

Humidity 52%
Wind Speed NE 3 mph
Barometer 30.31 in (1020.4 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 26 Aug 8:53 pm MDT
Extended Forecast for

6 Miles WNW Custer SD

  • Tonight

    Tonight: Mostly clear, with a low around 54. Light and variable wind.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 80. Calm wind becoming south around 5 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 58. Southeast wind around 5 mph becoming southwest after midnight. Winds could gust as high as 17 mph.

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 86. West wind around 6 mph, with gusts as high as 20 mph.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 60. West wind 3 to 5 mph. Winds could gust as high as 15 mph.

    Low: 60 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 83. Southwest wind 5 to 10 mph, with gusts as high as 31 mph.

    High: 83 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 54. Light and variable wind.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Calm wind becoming south around 5 mph in the afternoon. Winds could gust as high as 17 mph.
Thursday Night
Mostly cloudy, with a low around 58. Southeast wind around 5 mph becoming southwest after midnight. Winds could gust as high as 17 mph.
Friday
Mostly sunny, with a high near 86. West wind around 6 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 60. West wind 3 to 5 mph. Winds could gust as high as 15 mph.
Saturday
Partly sunny, with a high near 83. Southwest wind 5 to 10 mph, with gusts as high as 31 mph.
Saturday Night
Mostly cloudy, with a low around 56.
Sunday
Partly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 75.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Custer SD
 43.82°N 103.73°W (Elev. 6083 ft)
7:36 pm MDT Aug 26, 2026
9pm MDT Aug 26, 2026-6pm MDT Sep 2, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database