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.

Overcast

59°F

15°C

Humidity 72%
Wind Speed E 8 mph
Barometer 30.01 in (1011.3 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 20 Jun 10:53 am MDT
Extended Forecast for

3 Miles W Mount Rushmore SD

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 62. Southeast wind around 7 mph, with gusts as high as 25 mph.  Chance of precipitation is 50%.

    High: 62 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight.  Patchy fog after 3am.  Otherwise, cloudy, with a low around 52. Southeast wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 22 mph.  Chance of precipitation is 70%.

    Low: 52 °F

    Showers
    Likely then
    Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after noon.  Patchy fog before 9am.  Otherwise, cloudy, with a high near 58. Calm wind becoming north 5 to 7 mph in the afternoon. Winds could gust as high as 24 mph.  Chance of precipitation is 70%.

    High: 58 °F

    Showers
    Likely and
    Patchy Fog

  • 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 47. North wind around 6 mph becoming calm  in the evening. Winds could gust as high as 22 mph.  Chance of precipitation is 30%.

    Low: 47 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A chance of showers, then showers and possibly a thunderstorm after noon.  High near 61. Calm 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 46. Calm wind becoming northwest around 5 mph after midnight. Winds could gust as high as 15 mph.  Chance of precipitation is 80%.

    Low: 46 °F

    Showers then
    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 64.

    High: 64 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers after midnight.  Mostly clear, with a low around 45.

    Low: 45 °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 63.

    High: 63 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 62. Southeast wind around 7 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Tonight
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Patchy fog after 3am. Otherwise, cloudy, with a low around 52. Southeast wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 70%.
Sunday
Showers likely, with thunderstorms also possible after noon. Patchy fog before 9am. Otherwise, cloudy, with a high near 58. Calm wind becoming north 5 to 7 mph in the afternoon. 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 47. 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. Calm 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 46. Calm wind becoming northwest around 5 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 64.
Tuesday Night
A slight chance of showers after midnight. Mostly clear, with a low around 45.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 63.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 47.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 65.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 51.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Mount Rushmore SD
 43.89°N 103.52°W (Elev. 5866 ft)
10:44 am MDT Jun 20, 2026
11am MDT Jun 20, 2026-6pm MDT Jun 26, 2026
 
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Additional Resources

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