Heavy Rainfall Threat for Portions of Mid-Atlantic and Northeast; Heat Linger for Southeast and Expands for the West

Moisture and nearby frontal boundary will focus more showers and thunderstorms for portions of the Mid-Atlantic and Northeast today. Rainfall could be locally heavy resulting instances of flash flooding. Meanwhile, the heat lingers for areas of the Southeast and expands across the Western U.S. the next several days. Between these areas, severe thunderstorms possible for the Plains and Midwest. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

82°F

28°C

Humidity 23%
Wind Speed N 13 mph
Barometer 30.19 in (1013.7 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 6 Jul 10:53 am MDT
Extended Forecast for

10 Miles W Hill City SD

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Mostly sunny, with a high near 77. Northeast wind around 8 mph, with gusts as high as 24 mph.

    High: 77 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between midnight and 3am.  Mostly cloudy, with a low around 57. East wind 5 to 9 mph, with gusts as high as 24 mph.

    Low: 57 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Some of the storms could be severe.  Partly sunny, with a high near 77. Southeast wind around 6 mph becoming calm  in the afternoon. Winds could gust as high as 21 mph.

    High: 77 °F

    Mostly Cloudy
    then Severe
    Thunderstorms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly before midnight. Some of the storms could be severe.  Cloudy, then gradually becoming partly cloudy, with a low around 57. Light and variable wind. Winds could gust as high as 17 mph.  Chance of precipitation is 60%.

    Low: 57 °F

    Severe
    Thunderstorms
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 72. Light and variable wind. Winds could gust as high as 15 mph.

    High: 72 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 55. Light and variable wind becoming south around 5 mph after midnight. Winds could gust as high as 15 mph.

    Low: 55 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 70.

    High: 70 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 77. Northeast wind around 8 mph, with gusts as high as 24 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between midnight and 3am. Mostly cloudy, with a low around 57. East wind 5 to 9 mph, with gusts as high as 24 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Some of the storms could be severe. Partly sunny, with a high near 77. Southeast wind around 6 mph becoming calm in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Showers and thunderstorms likely, mainly before midnight. Some of the storms could be severe. Cloudy, then gradually becoming partly cloudy, with a low around 57. Light and variable wind. Winds could gust as high as 17 mph. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 72. Light and variable wind. Winds could gust as high as 15 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55. Light and variable wind becoming south around 5 mph after midnight. Winds could gust as high as 15 mph.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 70.
Thursday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 51.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles W Hill City SD
 43.94°N 103.77°W (Elev. 6860 ft)
10:22 am MDT Jul 6, 2026
11am MDT Jul 6, 2026-6pm MDT Jul 12, 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