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

78°F

26°C

Humidity 27%
Wind Speed Vrbl 5 mph
Barometer 30.13 in (1012.7 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 10 Jul 9:53 am MDT
Extended Forecast for

4 Miles SSW Hot Springs SD

Heat Advisory July 11, 12:00pm until July 14, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny, with a high near 92. East wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 67. East wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 99. Light and variable wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

    High: 99 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. Southeast wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 101. Light and variable wind becoming southeast 11 to 16 mph in the morning. Winds could gust as high as 26 mph.

    High: 101 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. South wind 7 to 17 mph, with gusts as high as 32 mph.

    Low: 72 °F

    Mostly Clear

  • Monday

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

    High: 103 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 71. Breezy.

    Low: 71 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 99. Breezy.

    High: 99 °F

    Mostly Sunny
    then Sunny
    and Breezy

Detailed Forecast

Today
Sunny, with a high near 92. East wind 5 to 11 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 67. East wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Saturday
Sunny, with a high near 99. Light and variable wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 23 mph.
Saturday Night
Mostly clear, with a low around 68. Southeast wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Sunday
Sunny and hot, with a high near 101. Light and variable wind becoming southeast 11 to 16 mph in the morning. Winds could gust as high as 26 mph.
Sunday Night
Mostly clear, with a low around 72. South wind 7 to 17 mph, with gusts as high as 32 mph.
Monday
Sunny and hot, with a high near 103. Breezy.
Monday Night
Mostly clear, with a low around 71. Breezy.
Tuesday
Sunny, with a high near 99. Breezy.
Tuesday Night
Mostly clear, with a low around 71. Breezy.
Wednesday
Sunny, with a high near 96. Breezy.
Wednesday Night
Mostly clear, with a low around 69. Breezy.
Thursday
Mostly sunny, with a high near 93. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Hot Springs SD
 43.37°N 103.51°W (Elev. 3999 ft)
Last Update:
8:43 am MDT Jul 10, 2026
Forecast Valid:
10am MDT Jul 10, 2026-6pm MDT Jul 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation