Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

74°F

23°C

Humidity 48%
Wind Speed SE 10 G 18 mph
Barometer 30.31 in (1019.7 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 22 Aug 4:53 pm MDT
Extended Forecast for

4 Miles NNW Custer SD

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms before 3am.  Mostly cloudy, with a low around 58. Southeast wind 5 to 9 mph becoming south after midnight. Winds could gust as high as 21 mph.

    Low: 58 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon.  Partly sunny, then gradually becoming sunny, with a high near 85. South wind around 5 mph becoming light and variable  in the afternoon. Winds could gust as high as 17 mph.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 58. Calm wind becoming west around 5 mph after midnight.

    Low: 58 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 83. West wind around 5 mph becoming light and variable. Winds could gust as high as 18 mph.

    High: 83 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers.  Partly cloudy, with a low around 55. Northeast wind around 5 mph becoming calm  in the evening. Winds could gust as high as 15 mph.  Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers before 9am, then a slight chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 77. Light and variable wind. Winds could gust as high as 16 mph.  Chance of precipitation is 60%.

    High: 77 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly clear, with a low around 51.

    Low: 51 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after noon.  Sunny, with a high near 77.

    High: 77 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms before 3am. Mostly cloudy, with a low around 58. Southeast wind 5 to 9 mph becoming south after midnight. Winds could gust as high as 21 mph.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, then gradually becoming sunny, with a high near 85. South wind around 5 mph becoming light and variable in the afternoon. Winds could gust as high as 17 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58. Calm wind becoming west around 5 mph after midnight.
Monday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83. West wind around 5 mph becoming light and variable. Winds could gust as high as 18 mph.
Monday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers. Partly cloudy, with a low around 55. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 40%.
Tuesday
A slight chance of showers before 9am, then a slight chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 77. Light and variable wind. Winds could gust as high as 16 mph. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 51.
Wednesday
A chance of showers and thunderstorms after noon. Sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 80.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 82.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Custer SD
 43.82°N 103.64°W (Elev. 5804 ft)
2:21 pm MDT Aug 22, 2026
5pm MDT Aug 22, 2026-6pm MDT Aug 29, 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