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

3 Miles NNE Custer State Park SD

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 3pm.  Mostly cloudy, with a high near 66. Light and variable wind becoming east 5 to 9 mph in the morning. Winds could gust as high as 24 mph.

    High: 66 °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 54. East wind 5 to 8 mph becoming calm  after midnight. Winds could gust as high as 22 mph.  Chance of precipitation is 60%.

    Low: 54 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after noon.  Cloudy, with a high near 63. Light north wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 24 mph.  Chance of precipitation is 70%.

    High: 63 °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 49. North wind 5 to 9 mph becoming calm  after midnight. Winds could gust as high as 23 mph.  Chance of precipitation is 30%.

    Low: 49 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 66. Light and variable wind becoming southeast 5 to 7 mph in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 70%.

    High: 66 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers.  Low around 48. East wind 5 to 7 mph becoming northwest after midnight. Winds could gust as high as 17 mph.  Chance of precipitation is 80%.

    Low: 48 °F

    Showers then
    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers after midnight.  Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 68.

    High: 68 °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 66. Light and variable wind becoming east 5 to 9 mph in the morning. Winds could gust as high as 24 mph.
Tonight
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Cloudy, with a low around 54. East wind 5 to 8 mph becoming calm after midnight. 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 63. Light north wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 24 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 49. North wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 30%.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 66. Light and variable wind becoming southeast 5 to 7 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Monday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 48. East wind 5 to 7 mph becoming northwest after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 80%.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 69.
Tuesday Night
A slight chance of showers after midnight. Mostly clear, with a low around 47.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68.
Wednesday Night
A chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 50.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 70.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Friday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Custer State Park SD
 43.77°N 103.39°W (Elev. 4593 ft)
3:22 am MDT Jun 20, 2026
5am MDT Jun 20, 2026-6pm MDT Jun 26, 2026
 
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Additional Resources

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