Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

70°F

21°C

Humidity 49%
Wind Speed W 3 mph
Barometer 30.07 in (1009.2 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 26 Jul 3:53 am MDT
Extended Forecast for

Hill City SD

  • Today

    Today: A 20 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 99. Light and variable wind becoming northwest around 5 mph. Winds could gust as high as 20 mph.

    High: 99 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 70. Light north wind. Winds could gust as high as 15 mph.

    Low: 70 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after noon.  Increasing clouds, with a high near 92. Calm wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 92 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 66. South wind around 5 mph becoming calm  in the evening. Winds could gust as high as 17 mph.

    Low: 66 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 89. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 65. East wind around 5 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 65 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 99. Light and variable wind becoming northwest around 5 mph. Winds could gust as high as 20 mph.
Tonight
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 70. Light north wind. Winds could gust as high as 15 mph.
Monday
A 50 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 92. Calm wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 21 mph.
Monday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 66. South wind around 5 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 65. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Wednesday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90.
Wednesday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 65.
Thursday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 63.
Friday
A chance of showers and thunderstorms. Sunny, with a high near 87.
Friday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 63.
Saturday
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)
3:41 am MDT Jul 26, 2026
4am MDT Jul 26, 2026-6pm MDT Aug 1, 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