Heavy Rainfall and Flooding Concerns in the Southwest; Coastal Low to Impact the East Coast

Deep tropical moisture will lead to widespread showers and thunderstorms capable of producing flash flooding through early next week over the Southwest and Four Corners. A coastal storm is expected to develop off the southeast U.S. coast tonight and is expected to strengthen and bring flooding, dangerous rip currents, gusty winds and heavy rain up much of the East Coast through early next week. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

59°F

15°C

Humidity 41%
Wind Speed SE 10 G 20 mph
Barometer 30.34 in (1023.5 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 10 Oct 10:53 am MDT
Extended Forecast for

12 Miles E Edgemont SD

  • Today

    Today: Mostly cloudy, with a high near 73. East wind 14 to 18 mph, with gusts as high as 32 mph.

    High: 73 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am.  Mostly cloudy, with a low around 55. East wind 13 to 17 mph, with gusts as high as 30 mph.  Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 82. Southeast wind 11 to 15 mph becoming southwest in the morning. Winds could gust as high as 26 mph.

    High: 82 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. South wind 10 to 15 mph, with gusts as high as 23 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after noon.  Sunny, with a high near 69. Breezy, with a west wind 17 to 22 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 46 mph.

    High: 69 °F

    Breezy. Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33. Breezy, with a northwest wind 18 to 23 mph becoming north 8 to 13 mph after midnight. Winds could gust as high as 34 mph.

    Low: 33 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 59. Breezy, with a southeast wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 59 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. Breezy, with an east wind 10 to 20 mph, with gusts as high as 31 mph.

    Low: 40 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 73. East wind 14 to 18 mph, with gusts as high as 32 mph.
Tonight
A slight chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am. Mostly cloudy, with a low around 55. East wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 82. Southeast wind 11 to 15 mph becoming southwest in the morning. Winds could gust as high as 26 mph.
Saturday Night
Partly cloudy, with a low around 54. South wind 10 to 15 mph, with gusts as high as 23 mph.
Sunday
A 20 percent chance of showers after noon. Sunny, with a high near 69. Breezy, with a west wind 17 to 22 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 46 mph.
Sunday Night
Mostly clear, with a low around 33. Breezy, with a northwest wind 18 to 23 mph becoming north 8 to 13 mph after midnight. Winds could gust as high as 34 mph.
Columbus Day
Sunny, with a high near 59. Breezy, with a southeast wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.
Monday Night
Mostly cloudy, with a low around 40. Breezy, with an east wind 10 to 20 mph, with gusts as high as 31 mph.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 45.
Thursday
A slight chance of showers. Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles E Edgemont SD
 43.28°N 103.59°W (Elev. 3399 ft)
9:32 am MDT Oct 10, 2025
11am MDT Oct 10, 2025-6pm MDT Oct 16, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database