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

75°F

24°C

Humidity 39%
Wind Speed SE 10 mph
Barometer 30.20 in (1016.7 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 4 Jul 5:53 pm MDT
Extended Forecast for

3 Miles ENE Hot Springs SD

Fire Weather Watch July 5, 01:00pm until July 5, 07:00pm
Click here for hazard details and duration
Fire Weather Watch
  • Tonight

    Tonight: Mostly clear, with a low around 65. East wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 22 mph.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94. Light and variable wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67. Southeast wind 11 to 16 mph becoming south 5 to 10 mph after midnight. Winds could gust as high as 28 mph.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 93. Southwest wind 5 to 10 mph becoming east 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly before midnight.  Mostly cloudy, with a low around 65. East wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 30 mph.

    Low: 65 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 91. Northeast wind 8 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 65. East wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 22 mph.
Sunday
Sunny, with a high near 94. Light and variable wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Sunday Night
Mostly clear, with a low around 67. Southeast wind 11 to 16 mph becoming south 5 to 10 mph after midnight. Winds could gust as high as 28 mph.
Monday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93. Southwest wind 5 to 10 mph becoming east 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 65. East wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 30 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 91. Northeast wind 8 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph.
Tuesday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Wednesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84.
Wednesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 62.
Thursday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Friday
Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Hot Springs SD
 43.44°N 103.42°W (Elev. 4199 ft)
5:37 pm MDT Jul 4, 2026
6pm MDT Jul 4, 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