Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

73°F

23°C

Humidity 55%
Wind Speed N 12 G 20 mph
Barometer 30.00 in (1008.8 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 3 Aug 1:53 pm MDT
Extended Forecast for

Hill City SD

  • This Afternoon

    This Afternoon: Widespread smoke. Mostly sunny, with a high near 80. North wind 7 to 16 mph, with gusts as high as 32 mph.

    High: 80 °F

    Smoke

  • Tonight

    Tonight: Areas of smoke. Mostly clear, with a low around 46. North wind 11 to 16 mph becoming light and variable  after midnight. Winds could gust as high as 36 mph.

    Low: 46 °F

    Areas Smoke

  • Tuesday

    Tuesday: Areas of smoke before noon. Mostly sunny, with a high near 69. Light and variable wind. Winds could gust as high as 18 mph.

    High: 69 °F

    Areas Smoke
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after midnight.  Partly cloudy, with a low around 47. Light and variable wind. Winds could gust as high as 18 mph.

    Low: 47 °F

    Mostly Clear
    then Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. Light and variable wind. Winds could gust as high as 18 mph.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. Calm wind. Winds could gust as high as 17 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

This Afternoon
Widespread smoke. Mostly sunny, with a high near 80. North wind 7 to 16 mph, with gusts as high as 32 mph.
Tonight
Areas of smoke. Mostly clear, with a low around 46. North wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 36 mph.
Tuesday
Areas of smoke before noon. Mostly sunny, with a high near 69. Light and variable wind. Winds could gust as high as 18 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 47. Light and variable wind. Winds could gust as high as 18 mph.
Wednesday
Mostly sunny, with a high near 77. Light and variable wind. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 53. Calm wind. Winds could gust as high as 17 mph.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Hill City SD
 43.93°N 103.56°W (Elev. 5161 ft)
2:21 pm MDT Aug 3, 2026
2pm MDT Aug 3, 2026-6pm MDT Aug 9, 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