Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

60°F

16°C

Humidity 84%
Wind Speed Calm
Barometer 30.09 in (1011.2 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 29 Jul 5:53 am MDT
Extended Forecast for

Hot Springs SD

  • Today

    Today: A 30 percent chance of showers and thunderstorms after 4pm.  Sunny, with a high near 96. Light and variable wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 24 mph.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 66. East wind 6 to 11 mph becoming light and variable  in the evening. Winds could gust as high as 22 mph.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 91. Light and variable wind becoming northeast 5 to 10 mph in the morning. Winds could gust as high as 23 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly clear, with a low around 63. Northeast wind 6 to 11 mph becoming light north  after midnight. Winds could gust as high as 22 mph.

    Low: 63 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90. Calm wind becoming east 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. East wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 20 mph.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 98.

    High: 98 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 103.

    High: 103 °F

    Hot

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 96. Light and variable wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 24 mph.
Tonight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. East wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 22 mph.
Thursday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. Light and variable wind becoming northeast 5 to 10 mph in the morning. Winds could gust as high as 23 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 63. Northeast wind 6 to 11 mph becoming light north after midnight. Winds could gust as high as 22 mph.
Friday
Sunny, with a high near 90. Calm wind becoming east 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Mostly clear, with a low around 64. East wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 98.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Sunny and hot, with a high near 103.
Sunday Night
Mostly clear, with a low around 70.
Monday
Sunny, with a high near 93. Breezy.
Monday Night
A slight chance of showers. Mostly clear, with a low around 63. Breezy.
Tuesday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Hot Springs SD
 43.44°N 103.48°W (Elev. 3599 ft)
5:41 am MDT Jul 29, 2026
6am MDT Jul 29, 2026-6pm MDT Aug 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database