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.

Light Rain

68°F

20°C

Humidity 70%
Wind Speed SE 3 mph
Barometer 30.30 in (1019.7 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 22 Aug 8:53 pm MDT
Extended Forecast for

5 Miles SSW Hill City SD

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms before 3am.  Mostly cloudy, with a low around 59. South wind 3 to 5 mph. Winds could gust as high as 17 mph.

    Low: 59 °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 calm  in the morning. Winds could gust as high as 16 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 59. Light and variable wind.

    Low: 59 °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. Light and variable wind. Winds could gust as high as 17 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 56. Light and variable wind. Winds could gust as high as 15 mph.  Chance of precipitation is 40%.

    Low: 56 °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.  Mostly sunny, with a high near 77. Calm wind. Winds could gust as high as 15 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 52.

    Low: 52 °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 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms before 3am. Mostly cloudy, with a low around 59. South wind 3 to 5 mph. Winds could gust as high as 17 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 calm in the morning. Winds could gust as high as 16 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59. Light and variable wind.
Monday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83. Light and variable wind. Winds could gust as high as 17 mph.
Monday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers. Partly cloudy, with a low around 56. Light and variable wind. 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. Mostly sunny, with a high near 77. Calm wind. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 52.
Wednesday
A chance of showers and thunderstorms after noon. Sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 80.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 83.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Hill City SD
 43.86°N 103.61°W (Elev. 5614 ft)
8:56 pm MDT Aug 22, 2026
9pm 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