Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

43°F

6°C

Humidity 68%
Wind Speed N 3 mph
Barometer 30.10 in (1015.6 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 20 Jun 4:53 am MDT
Extended Forecast for

4 Miles SW Mount Rushmore SD

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 3pm.  Mostly cloudy, with a high near 61. Southeast wind 5 to 8 mph, with gusts as high as 23 mph.

    High: 61 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight.  Cloudy, with a low around 49. East wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 22 mph.  Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after noon.  Cloudy, with a high near 57. Light and variable wind becoming north 5 to 7 mph in the morning. Winds could gust as high as 23 mph.  Chance of precipitation is 70%.

    High: 57 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Mostly cloudy, with a low around 43. North wind around 6 mph becoming calm  in the evening. Winds could gust as high as 22 mph.  Chance of precipitation is 30%.

    Low: 43 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A chance of showers, then showers and possibly a thunderstorm after noon.  High near 61. Light and variable wind becoming southeast around 5 mph. Winds could gust as high as 17 mph.  Chance of precipitation is 80%.

    High: 61 °F

    Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms after midnight.  Low around 43. Light and variable wind becoming northwest around 6 mph after midnight. Winds could gust as high as 15 mph.  Chance of precipitation is 80%.

    Low: 43 °F

    Showers then
    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 63.

    High: 63 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers after midnight.  Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear
    then Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 62.

    High: 62 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 61. Southeast wind 5 to 8 mph, with gusts as high as 23 mph.
Tonight
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Cloudy, with a low around 49. East wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Sunday
Showers likely, with thunderstorms also possible after noon. Cloudy, with a high near 57. Light and variable wind becoming north 5 to 7 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 70%.
Sunday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 43. North wind around 6 mph becoming calm in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Monday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 61. Light and variable wind becoming southeast around 5 mph. Winds could gust as high as 17 mph. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms after midnight. Low around 43. Light and variable wind becoming northwest around 6 mph after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 80%.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 63.
Tuesday Night
A chance of showers after midnight. Mostly clear, with a low around 41.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 62.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 44.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 64.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Mount Rushmore SD
 43.85°N 103.52°W (Elev. 6109 ft)
3:22 am MDT Jun 20, 2026
4am MDT Jun 20, 2026-6pm MDT Jun 26, 2026
 
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Additional Resources

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