Dangerous, Record-Breaking Heat to Continue in the Central and Eastern U.S.; Severe Thunderstorms in the Upper Midwest; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will continue across most of the central and eastern U.S this week. Heat indices will exceed 100 degrees. Severe storms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians Thursday, with the primary threat large to very large hail. Critical fire weather to continue in the Four Corners Region Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

56°F

13°C

Humidity 62%
Wind Speed N 3 mph
Barometer 30.02 in (1009.9 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 2 Jul 12:53 am MDT
Extended Forecast for

5 Miles E Custer SD

  • Overnight

    Overnight: Increasing clouds, with a low around 58. Light and variable wind. Winds could gust as high as 15 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon.  Widespread haze. Mostly cloudy through mid morning, then becoming sunny, with a high near 84. Light and variable wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 21 mph.

    High: 84 °F

    Haze then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms.  Widespread haze before midnight. Partly cloudy, with a low around 59. Light and variable wind. Winds could gust as high as 18 mph.

    Low: 59 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after noon.  Widespread haze before noon. Partly sunny, with a high near 80. Light and variable wind. Winds could gust as high as 18 mph.

    High: 80 °F

    Haze then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 58. Light and variable wind. Winds could gust as high as 16 mph.

    Low: 58 °F

    Chance
    T-storms then
    Partly Cloudy

  • Independence Day

    Independence Day: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 80. Light and variable wind. Winds could gust as high as 16 mph.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Overnight
Increasing clouds, with a low around 58. Light and variable wind. Winds could gust as high as 15 mph.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Widespread haze. Mostly cloudy through mid morning, then becoming sunny, with a high near 84. Light and variable wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms. Widespread haze before midnight. Partly cloudy, with a low around 59. Light and variable wind. Winds could gust as high as 18 mph.
Friday
A 40 percent chance of showers and thunderstorms after noon. Widespread haze before noon. Partly sunny, with a high near 80. Light and variable wind. Winds could gust as high as 18 mph.
Friday Night
A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58. Light and variable wind. Winds could gust as high as 16 mph.
Independence Day
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Light and variable wind. Winds could gust as high as 16 mph.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 62.
Monday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Custer SD
 43.78°N 103.48°W (Elev. 5308 ft)
12:31 am MDT Jul 2, 2026
1am MDT Jul 2, 2026-6pm MDT Jul 8, 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