Dangerous Heat Wave Continues; Areas of Severe Thunderstorms Today

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing on the eastern U.S. through the Independence Day weekend. Peak heat indices of up to 115 degrees are possible. Strong to severe thunderstorms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians today. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

79°F

26°C

Humidity 25%
Wind Speed SW 7 mph
Barometer 30.03 in (1010.1 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 2 Jul 3:53 pm MDT
Extended Forecast for

4 Miles ESE Custer County Airport SD

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms. Some of the storms could be severe.  Widespread haze. Mostly sunny, with a high near 83. Southeast wind around 7 mph, with gusts as high as 18 mph.  Chance of precipitation is 20%.

    High: 83 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Isolated showers and thunderstorms. Some of the storms could be severe.  Widespread haze before midnight. Partly cloudy, with a low around 60. Southeast wind around 5 mph becoming light and variable  in the evening. Winds could gust as high as 18 mph.  Chance of precipitation is 20%.

    Low: 60 °F

    Severe
    Thunderstorms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after noon.  Widespread haze before noon. Mostly sunny, with a high near 77. Light and variable wind becoming southeast around 5 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 77 °F

    Haze then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms 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 20 mph.

    Low: 55 °F

    Chance
    T-storms then
    Partly Cloudy

  • Independence Day

    Independence Day: A 50 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 76. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 76 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. East wind around 5 mph becoming light and variable  in the evening. Winds could gust as high as 15 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Some of the storms could be severe. Widespread haze. Mostly sunny, with a high near 83. Southeast wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms. Some of the storms could be severe. Widespread haze before midnight. Partly cloudy, with a low around 60. Southeast wind around 5 mph becoming light and variable in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Friday
A 50 percent chance of showers and thunderstorms after noon. Widespread haze before noon. Mostly sunny, with a high near 77. Light and variable wind becoming southeast around 5 mph in the afternoon. Winds could gust as high as 18 mph.
Friday Night
A 30 percent chance of showers and thunderstorms 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 20 mph.
Independence Day
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 16 mph.
Saturday Night
Mostly clear, with a low around 57. East wind around 5 mph becoming light and variable in the evening. Winds could gust as high as 15 mph.
Sunday
Sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 62.
Monday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85.
Monday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Custer County Airport SD
 43.72°N 103.54°W (Elev. 5351 ft)
4:13 pm MDT Jul 2, 2026
4pm MDT Jul 2, 2026-6pm MDT Jul 9, 2026
 
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Additional Resources

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