Areas of Extreme Heat and Excessive Rainfall Potential

Dangerous and extreme heat will remain across portions of the central U.S. this week, persisting across the mid to lower Mississippi Valley, Gulf Coast, southern Plains and portions of Texas. A heat wave over the Southwest U.S. will peak this weekend. Heavy to excessive rainfall may produce flash flooding from the Delmarva Peninsula north into the Hudson Valley today and tonight. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

80°F

27°C

Humidity 41%
Wind Speed NE 3 mph
Barometer 30.17 in (1014.0 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 28 Jul 10:53 am MDT
Extended Forecast for

10 Miles WSW Hot Springs SD

  • Today

    Today: A 30 percent chance of showers and thunderstorms after 2pm.  Sunny, with a high near 88. East wind 7 to 13 mph, with gusts as high as 24 mph.

    High: 88 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 66. East wind 6 to 11 mph becoming light and variable  after midnight. Winds could gust as high as 21 mph.

    Low: 66 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 91. North wind 5 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 28 mph.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before midnight.  Mostly cloudy, with a low around 65. Southeast wind 5 to 14 mph becoming north after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 70%.

    Low: 65 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 91. West wind 6 to 13 mph becoming northeast in the afternoon. Winds could gust as high as 25 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 64. Northeast wind 5 to 13 mph becoming northwest after midnight. Winds could gust as high as 24 mph.

    Low: 64 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 90.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before midnight.  Mostly clear, with a low around 64.

    Low: 64 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 88. East wind 7 to 13 mph, with gusts as high as 24 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 66. East wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 91. North wind 5 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 28 mph.
Wednesday Night
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 65. Southeast wind 5 to 14 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%.
Thursday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. West wind 6 to 13 mph becoming northeast in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 64. Northeast wind 5 to 13 mph becoming northwest after midnight. Winds could gust as high as 24 mph.
Friday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 90.
Friday Night
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Sunny, with a high near 99.
Sunday Night
Mostly clear, with a low around 69.
Monday
Sunny, with a high near 91. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WSW Hot Springs SD
 43.37°N 103.66°W (Elev. 4400 ft)
10:27 am MDT Jul 28, 2026
11am MDT Jul 28, 2026-6pm MDT Aug 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database