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 >

Current conditions at

Greenville Spartanburg International Airport (KGSP)

Lat: 34.91°NLon: 82.21°WElev: 955ft.

Mostly Cloudy

67°F

19°C

Humidity 57%
Wind Speed NE 16 G 21 mph
Barometer 30.23 in (1023.4 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 10 Oct 4:53 pm EDT
Extended Forecast for

Duncan SC

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 52. North northeast wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 72. North northeast wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 72 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after 2am.  Mostly cloudy, with a low around 56. North northeast wind around 10 mph, with gusts as high as 18 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers, mainly after 2pm.  Partly sunny, with a high near 74. North northeast wind 10 to 13 mph, with gusts as high as 21 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 74 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly before 8pm.  Partly cloudy, with a low around 55. North wind around 9 mph.

    Low: 55 °F

    Chance
    Showers

  • Columbus Day

    Columbus Day: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 52. North northeast wind 9 to 11 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 72. North northeast wind 10 to 14 mph, with gusts as high as 23 mph.
Saturday Night
A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 56. North northeast wind around 10 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 30 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 74. North northeast wind 10 to 13 mph, with gusts as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 30 percent chance of showers, mainly before 8pm. Partly cloudy, with a low around 55. North wind around 9 mph.
Columbus Day
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 76.
Thursday Night
Clear, with a low around 49.
Friday
Sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Duncan SC
 34.93°N 82.14°W (Elev. 781 ft)
1:19 pm EDT Oct 10, 2025
5pm EDT Oct 10, 2025-6pm EDT Oct 17, 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