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

14 Miles NW Edgemont SD

  • Today

    Today: Showers likely and possibly a thunderstorm after 3pm.  Mostly cloudy, with a high near 77. Breezy, with a southeast wind 18 to 21 mph, with gusts as high as 31 mph.  Chance of precipitation is 60%.

    High: 77 °F

    Breezy.
    Mostly Cloudy
    then Showers
    Likely

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 55. Breezy, with an east wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 31 mph.

    Low: 55 °F

    Chance
    T-storms and
    Breezy

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 73. Breezy, with a southeast wind 6 to 11 mph becoming northwest 15 to 20 mph in the morning. Winds could gust as high as 33 mph.  Chance of precipitation is 50%.

    High: 73 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50. Northeast wind 11 to 16 mph becoming southeast 5 to 10 mph after midnight. Winds could gust as high as 26 mph.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 74. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%.

    High: 74 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight.  Low around 50. East wind 5 to 14 mph becoming northwest after midnight. Winds could gust as high as 23 mph.  Chance of precipitation is 80%.

    Low: 50 °F

    Showers then
    Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after midnight.  Mostly clear, with a low around 49.

    Low: 49 °F

    Clear then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after noon.  Mostly sunny, with a high near 75.

    High: 75 °F

    Chance
    Showers

Detailed Forecast

Today
Showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 77. Breezy, with a southeast wind 18 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.
Tonight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Breezy, with an east wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 31 mph.
Sunday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 73. Breezy, with a southeast wind 6 to 11 mph becoming northwest 15 to 20 mph in the morning. Winds could gust as high as 33 mph. Chance of precipitation is 50%.
Sunday Night
Mostly cloudy, with a low around 50. Northeast wind 11 to 16 mph becoming southeast 5 to 10 mph after midnight. Winds could gust as high as 26 mph.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 74. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Monday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Low around 50. East wind 5 to 14 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
Tuesday
Sunny, with a high near 75.
Tuesday Night
A chance of showers after midnight. Mostly clear, with a low around 49.
Wednesday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 75.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 78.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NW Edgemont SD
 43.46°N 103.99°W (Elev. 3645 ft)
3:22 am MDT Jun 20, 2026
5am MDT Jun 20, 2026-6pm MDT Jun 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database