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.

Mostly Cloudy

62°F

17°C

Humidity 96%
Wind Speed E 5 mph
Barometer 30.18 in (1015.2 mb)
Dewpoint 61°F (16°C)
Visibility 7.00 mi
Last update 23 Aug 2:53 am MDT
Extended Forecast for

2 Miles ESE Custer State Park SD

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly before 5am.  Mostly cloudy, with a low around 65. South wind around 6 mph.

    Low: 65 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Mostly sunny, with a high near 88. South wind around 7 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67. Northeast wind 5 to 7 mph becoming west after midnight. Winds could gust as high as 17 mph.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 89. Light and variable wind becoming northeast 5 to 8 mph in the morning. 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.  Mostly cloudy, with a low around 64. Northeast wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 18 mph.  Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 81. Northwest wind 5 to 7 mph becoming northeast in the morning. Winds could gust as high as 15 mph.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Wednesday Night

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

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a low around 65. South wind around 6 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 88. South wind around 7 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 67. Northeast wind 5 to 7 mph becoming west after midnight. Winds could gust as high as 17 mph.
Monday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. Light and variable wind becoming northeast 5 to 8 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Northeast wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 30%.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Northwest wind 5 to 7 mph becoming northeast in the morning. Winds could gust as high as 15 mph.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 85.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Custer State Park SD
 43.72°N 103.36°W (Elev. 3999 ft)
12:46 am MDT Aug 23, 2026
4am MDT Aug 23, 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