National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms and Excessive Rainfall; Heat Wave Builds in the Intermountain West and Plains

A slow moving front will bring rounds of strong to severe thunderstorms and heavy rainfall to the central Plains eastward to the east-central U.S.. The first widespread significant heat wave of summer for the Intermountain West and Plains is expected to develop today and expand through next week. Dangerous heat will continue to impact portions of the Southwest and Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

58°F

14°C

Humidity 70%
Wind Speed NW 5 mph
Barometer 30.11 in (1014.0 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 10 Jul 4:53 am MDT
Extended Forecast for

9 Miles SSE Hot Springs SD

Extreme Heat Watch July 11, 12:00pm until July 14, 12:00am
Click here for hazard details and duration
Extreme Heat Watch

  • Today

    Today: Sunny, with a high near 95. Light and variable wind becoming east 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 95 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 65. East wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 103. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 23 mph.

    High: 103 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. South wind 5 to 13 mph, with gusts as high as 23 mph.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 106. Southeast wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 106 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. Breezy, with a south wind 13 to 22 mph, with gusts as high as 37 mph.

    Low: 72 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Sunny and hot, with a high near 107. Breezy.

    High: 107 °F

    Hot and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. Breezy.

    Low: 72 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 103. Breezy.

    High: 103 °F

    Mostly Sunny
    then Sunny
    and Breezy

Detailed Forecast

Today
Sunny, with a high near 95. Light and variable wind becoming east 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.
Tonight
Mostly clear, with a low around 65. East wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Saturday
Sunny and hot, with a high near 103. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 23 mph.
Saturday Night
Mostly clear, with a low around 68. South wind 5 to 13 mph, with gusts as high as 23 mph.
Sunday
Sunny and hot, with a high near 106. Southeast wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Mostly clear, with a low around 72. Breezy, with a south wind 13 to 22 mph, with gusts as high as 37 mph.
Monday
Sunny and hot, with a high near 107. Breezy.
Monday Night
Mostly clear, with a low around 72. Breezy.
Tuesday
Sunny and hot, with a high near 103. Breezy.
Tuesday Night
Mostly clear, with a low around 71. Breezy.
Wednesday
Sunny and hot, with a high near 100. Breezy.
Wednesday Night
Mostly clear, with a low around 69. Breezy.
Thursday
Sunny, with a high near 97. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SSE Hot Springs SD
 43.31°N 103.41°W (Elev. 3199 ft)
Last Update:
3:52 am MDT Jul 10, 2026
Forecast Valid:
5am MDT Jul 10, 2026-6pm MDT Jul 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation