Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

80°F

27°C

Humidity 39%
Wind Speed SE 8 mph
Barometer 30.26 in (1017.6 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 27 Aug 10:53 am MDT
Extended Forecast for

13 Miles SSW Hot Springs SD

  • Today

    Today: Mostly sunny, with a high near 93. South wind 5 to 11 mph becoming east in the afternoon. Winds could gust as high as 21 mph.

    High: 93 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 63. East wind 5 to 14 mph, with gusts as high as 25 mph.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 100. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 24 mph.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 65. West wind 6 to 11 mph becoming northeast in the evening. Winds could gust as high as 23 mph.

    Low: 65 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 98. West wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 98 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 64. Northwest wind 9 to 18 mph becoming southwest in the evening. Winds could gust as high as 30 mph.

    Low: 64 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 92. Breezy.

    High: 92 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 61. Breezy.

    Low: 61 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 93. South wind 5 to 11 mph becoming east in the afternoon. Winds could gust as high as 21 mph.
Tonight
Partly cloudy, with a low around 63. East wind 5 to 14 mph, with gusts as high as 25 mph.
Friday
Mostly sunny and hot, with a high near 100. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 24 mph.
Friday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 65. West wind 6 to 11 mph becoming northeast in the evening. Winds could gust as high as 23 mph.
Saturday
Mostly sunny, with a high near 98. West wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 64. Northwest wind 9 to 18 mph becoming southwest in the evening. Winds could gust as high as 30 mph.
Sunday
Mostly sunny, with a high near 92. Breezy.
Sunday Night
Mostly cloudy, with a low around 61. Breezy.
Monday
Mostly sunny, with a high near 89.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles SSW Hot Springs SD
 43.24°N 103.56°W (Elev. 3494 ft)
11:36 am MDT Aug 27, 2026
11am MDT Aug 27, 2026-6pm MDT Sep 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database