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.

Partly Cloudy

74°F

23°C

Humidity 48%
Wind Speed SE 12 G 22 mph
Barometer 30.29 in (1019.2 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 22 Aug 5:53 pm MDT
Extended Forecast for

Custer State Park SD

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly between 8pm and 3am.  Mostly cloudy, with a low around 65. East wind 5 to 8 mph becoming south in the evening. Winds could gust as high as 18 mph.

    Low: 65 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 91. South wind around 6 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.

    High: 91 °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 67. Northeast wind 5 to 7 mph becoming west in the evening. Winds could gust as high as 17 mph.

    Low: 67 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 89. Northwest wind 5 to 7 mph becoming light and variable. Winds could gust as high as 20 mph.

    High: 89 °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 65. Northeast wind around 6 mph becoming northwest in the evening. Winds could gust as high as 17 mph.  Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 9am.  Mostly sunny, with a high near 82. Northwest wind around 6 mph becoming northeast in the afternoon. Winds could gust as high as 16 mph.  Chance of precipitation is 40%.

    High: 82 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after noon.  Sunny, with a high near 82.

    High: 82 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly between 8pm and 3am. Mostly cloudy, with a low around 65. East wind 5 to 8 mph becoming south in the evening. Winds could gust as high as 18 mph.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. South wind around 6 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 67. Northeast wind 5 to 7 mph becoming west in the evening. Winds could gust as high as 17 mph.
Monday
A 30 percent chance of showers and thunderstorms after noon. Sunny, with a high near 89. Northwest wind 5 to 7 mph becoming light and variable. Winds could gust as high as 20 mph.
Monday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers. Partly cloudy, with a low around 65. Northeast wind around 6 mph becoming northwest in the evening. Winds could gust as high as 17 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 9am. Mostly sunny, with a high near 82. Northwest wind around 6 mph becoming northeast in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 85.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 88.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Custer State Park SD
 43.72°N 103.39°W (Elev. 4301 ft)
5:41 pm MDT Aug 22, 2026
6pm 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