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

69°F

21°C

Humidity 31%
Wind Speed W 13 G 23 mph
Barometer 29.98 in (1008.9 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 30 Jun 11:53 am MDT
Extended Forecast for

4 Miles WSW Mount Rushmore SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 73. West wind around 9 mph, with gusts as high as 26 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before midnight.  Mostly clear during the early evening, then becoming mostly cloudy, with a low around 50. Southwest wind 5 to 7 mph becoming northeast after midnight. Winds could gust as high as 22 mph.  Chance of precipitation is 60%.

    Low: 50 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 72. North wind around 6 mph becoming light and variable  in the afternoon. Winds could gust as high as 18 mph.

    High: 72 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 53. Light and variable wind becoming east around 5 mph after midnight. Winds could gust as high as 17 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 76. Southwest wind 5 to 7 mph becoming east in the afternoon. Winds could gust as high as 21 mph.

    High: 76 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. South wind around 5 mph becoming north in the evening. Winds could gust as high as 18 mph.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    T-storms

  • Independence Day

    Independence Day: A slight chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly sunny, with a high near 72.

    High: 72 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 73. West wind around 9 mph, with gusts as high as 26 mph.
Tonight
Showers and thunderstorms likely, mainly before midnight. Mostly clear during the early evening, then becoming mostly cloudy, with a low around 50. Southwest wind 5 to 7 mph becoming northeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72. North wind around 6 mph becoming light and variable in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Increasing clouds, with a low around 53. Light and variable wind becoming east around 5 mph after midnight. Winds could gust as high as 17 mph.
Thursday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76. Southwest wind 5 to 7 mph becoming east in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 54. South wind around 5 mph becoming north in the evening. Winds could gust as high as 18 mph.
Friday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Independence Day
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 72.
Saturday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50.
Sunday
Sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 55.
Monday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Mount Rushmore SD
 43.85°N 103.55°W (Elev. 6490 ft)
10:08 am MDT Jun 30, 2026
12pm MDT Jun 30, 2026-6pm MDT Jul 6, 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