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 across parts of the Upper Midwest into the Great Lakes, the Northeast, and the central High Plains. 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.

Partly Cloudy

53°F

12°C

Humidity 64%
Wind Speed Calm
Barometer 29.97 in (1008.8 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 1 Jul 5:53 am MDT
Extended Forecast for

4 Miles NE Custer SD

  • Today

    Today: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 76. Light and variable wind. Winds could gust as high as 17 mph.

    High: 76 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 55. Light and variable wind. Winds could gust as high as 17 mph.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 82. Calm wind becoming south 5 to 7 mph. Winds could gust as high as 22 mph.

    High: 82 °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 56. Calm wind. Winds could gust as high as 20 mph.

    Low: 56 °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 80. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 80 °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 55. Northeast wind around 5 mph becoming calm  in the evening. Winds could gust as high as 17 mph.

    Low: 55 °F

    Chance
    T-storms

  • Independence Day

    Independence Day: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 78.

    High: 78 °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 56.

    Low: 56 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76. Light and variable wind. Winds could gust as high as 17 mph.
Tonight
Mostly clear, with a low around 55. Light and variable wind. Winds could gust as high as 17 mph.
Thursday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Calm wind becoming south 5 to 7 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 56. Calm wind. Winds could gust as high as 20 mph.
Friday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 80. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 18 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 55. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Independence Day
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.
Saturday Night
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 61.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Custer SD
 43.8°N 103.55°W (Elev. 5591 ft)
5:21 am MDT Jul 1, 2026
6am 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