Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

57°F

14°C

Humidity 55%
Wind Speed N 6 mph
Barometer 29.97 in (1008.3 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 1 Jul 12:53 am MDT
Extended Forecast for

6 Miles NW Hill City SD

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 73. Light and variable wind. Winds could gust as high as 16 mph.

    High: 73 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. Light and variable wind. Winds could gust as high as 16 mph.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 79. South wind 3 to 6 mph. Winds could gust as high as 22 mph.

    High: 79 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight.  Cloudy, then gradually becoming partly cloudy, with a low around 53. Calm wind. Winds could gust as high as 17 mph.

    Low: 53 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 77. Light and variable wind. Winds could gust as high as 16 mph.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight.  Partly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    T-storms

  • Independence Day

    Independence Day: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before midnight.  Mostly clear, with a low around 53.

    Low: 53 °F

    Slight Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73. Light and variable wind. Winds could gust as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 52. Light and variable wind. Winds could gust as high as 16 mph.
Thursday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. South wind 3 to 6 mph. Winds could gust as high as 22 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 53. Calm wind. Winds could gust as high as 17 mph.
Friday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 77. Light and variable wind. Winds could gust as high as 16 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 52.
Independence Day
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76.
Saturday Night
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 58.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Hill City SD
 43.99°N 103.65°W (Elev. 5823 ft)
12:36 am MDT Jul 1, 2026
1am MDT Jul 1, 2026-6pm MDT Jul 7, 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