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 >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Mostly Cloudy

82°F

28°C

Humidity 29%
Wind Speed E 8 mph
Barometer 30.13 in (1013.0 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 10 Jul 3:53 pm MDT
Extended Forecast for

2 Miles N Custer SD

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 83. Southeast wind around 7 mph, with gusts as high as 18 mph.

    High: 83 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 60. Southeast wind 5 to 7 mph becoming southwest after midnight. Winds could gust as high as 18 mph.

    Low: 60 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 88. Southwest wind 7 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 16 mph.

    High: 88 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62. Southeast wind 5 to 9 mph becoming light and variable.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92. Light and variable wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 23 mph.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 63. Southeast wind 7 to 9 mph becoming southwest after midnight. Winds could gust as high as 23 mph.

    Low: 63 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83. Southeast wind around 7 mph, with gusts as high as 18 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 60. Southeast wind 5 to 7 mph becoming southwest after midnight. Winds could gust as high as 18 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 88. Southwest wind 7 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 16 mph.
Saturday Night
Mostly clear, with a low around 62. Southeast wind 5 to 9 mph becoming light and variable.
Sunday
Sunny, with a high near 92. Light and variable wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 23 mph.
Sunday Night
Clear, with a low around 63. Southeast wind 7 to 9 mph becoming southwest after midnight. Winds could gust as high as 23 mph.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 59.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Custer SD
 43.8°N 103.6°W (Elev. 5600 ft)
3:37 pm MDT Jul 10, 2026
4pm MDT Jul 10, 2026-6pm MDT Jul 17, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database