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.

Thunderstorm Rain Fog/Mist

64°F

18°C

Humidity 90%
Wind Speed W 3 mph
Barometer 30.27 in (1018.7 mb)
Dewpoint 61°F (16°C)
Visibility 4.00 mi
Last update 22 Aug 10:53 pm MDT
Extended Forecast for

8 Miles SSW Nemo SD

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 3am.  Low around 56. Light south wind. Winds could gust as high as 16 mph.  Chance of precipitation is 80%.

    Low: 56 °F

    Showers

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 88. Light and variable wind. Winds could gust as high as 17 mph.

    High: 88 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Partly cloudy, with a low around 56. Calm wind. Winds could gust as high as 15 mph.  Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 86. Calm wind becoming north around 5 mph. Winds could gust as high as 18 mph.

    High: 86 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Partly cloudy, with a low around 52. Light and variable wind. Winds could gust as high as 15 mph.  Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 81. Light north wind. 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 48.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after noon.  Sunny, with a high near 80.

    High: 80 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 3am. Low around 56. Light south wind. Winds could gust as high as 16 mph. Chance of precipitation is 80%.
Sunday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88. Light and variable wind. Winds could gust as high as 17 mph.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 56. Calm wind. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Monday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. Calm wind becoming north around 5 mph. Winds could gust as high as 18 mph.
Monday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 52. Light and variable wind. Winds could gust as high as 15 mph. Chance of precipitation is 30%.
Tuesday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Light north wind. Winds could gust as high as 15 mph.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
A slight chance of showers, with thunderstorms also possible after noon. Sunny, with a high near 84.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Nemo SD
 44.08°N 103.57°W (Elev. 5000 ft)
10:31 pm MDT Aug 22, 2026
10pm 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