Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

63°F

17°C

Humidity 63%
Wind Speed E 5 mph
Barometer 30.24 in (1017.2 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 4 Jul 11:53 pm MDT
Extended Forecast for

3 Miles ESE Custer SD

  • Overnight

    Overnight: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 88. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 22 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. Southeast wind 5 to 8 mph becoming light and variable  after midnight. Winds could gust as high as 22 mph.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 86. Calm wind becoming northeast 5 to 9 mph in the morning. Winds could gust as high as 24 mph.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 61. Northeast wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 23 mph.

    Low: 61 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 84. Calm wind becoming southeast 5 to 7 mph in the morning. Winds could gust as high as 21 mph.

    High: 84 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before midnight.  Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    T-storms
    Likely then
    Mostly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely after noon.  Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly before midnight.  Partly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 60. Calm wind.
Sunday
Sunny, with a high near 88. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 22 mph.
Sunday Night
Mostly clear, with a low around 65. Southeast wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. Calm wind becoming northeast 5 to 9 mph in the morning. Winds could gust as high as 24 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61. Northeast wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 23 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 84. Calm wind becoming southeast 5 to 7 mph in the morning. Winds could gust as high as 21 mph.
Tuesday Night
Showers and thunderstorms likely before midnight. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely after noon. Mostly sunny, with a high near 79.
Wednesday Night
A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 56.
Thursday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 79.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Custer SD
 43.76°N 103.54°W (Elev. 5344 ft)
12:32 am MDT Jul 5, 2026
12am MDT Jul 5, 2026-6pm MDT Jul 11, 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