Severe Thunderstorms and Heavy Rain from the Plains to the Mid-Atlantic; Ongoing Heat in the South

Severe thunderstorms and showers pose a risk for excessive rain, localized flash flooding, strong gusts and/or large hail across portions of the northern and central Plains, the Lower Missouri to Lower Ohio Valleys, and across the Mid-Atlantic this afternoon and evening. Extreme heat is ongoing over the Desert Southwest and the Southeast U.S.. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

A Few Clouds

76°F

24°C

Humidity 37%
Wind Speed SE 8 mph
Barometer 30.12 in (1012.9 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 9 Jul 11:53 am MDT
Extended Forecast for

5 Miles WSW Hill City SD

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly after 2pm.  Mostly cloudy, with a temperature falling to around 71 by 5pm. Calm wind. Winds could gust as high as 15 mph.  Chance of precipitation is 60%.

    High: 76 °F

    T-storms
    Likely

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 54. Calm wind. Winds could gust as high as 16 mph.

    Low: 54 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 80. Calm wind becoming southeast around 5 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 80 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. Southeast wind around 5 mph becoming light and variable  after midnight. Winds could gust as high as 18 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87. Light and variable wind becoming south around 6 mph in the morning. Winds could gust as high as 21 mph.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. Light and variable wind becoming south around 5 mph after midnight. Winds could gust as high as 20 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Sunday Night

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

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a temperature falling to around 71 by 5pm. Calm wind. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 54. Calm wind. Winds could gust as high as 16 mph.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Calm wind becoming southeast around 5 mph in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Mostly clear, with a low around 57. Southeast wind around 5 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Saturday
Sunny, with a high near 87. Light and variable wind becoming south around 6 mph in the morning. Winds could gust as high as 21 mph.
Saturday Night
Mostly clear, with a low around 61. Light and variable wind becoming south around 5 mph after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 63.
Monday
Sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Hill City SD
 43.91°N 103.64°W (Elev. 6198 ft)
12:37 pm MDT Jul 9, 2026
12pm MDT Jul 9, 2026-6pm MDT Jul 15, 2026
 
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Additional Resources

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Hourly Weather Forecast

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