River Flooding Continues in East Florida; Rain and Thunderstorms from the Mid-Atlantic to the Northeast Thursday; Heavy Rain in Puerto Rico

Significant river flooding is forecast along the St. John’s and the Peace rivers through the end of the week as flood waters will be slow to recede. Periods of rainfall and thunderstorms are expected across the Lower Great Lakes, Central Appalachians, Mid-Atlantic and Northeast Thursday and Friday. In Puerto Rico, increased moisture in the Atlantic will produce heavy rainfall for the island. Read More >

Current conditions at

Greenville Spartanburg International Airport (KGSP)

Lat: 34.91°NLon: 82.21°WElev: 955ft.

Fog/Mist

68°F

20°C

Humidity 96%
Wind Speed SE 7 mph
Barometer 29.97 in (1014.1 mb)
Dewpoint 67°F (19°C)
Visibility 5.00 mi
Last update 4 Nov 7:53 pm EST
Extended Forecast for

Duncan SC

  • Tonight

    Tonight: Rain and possibly a thunderstorm before 1am, then rain likely.  Patchy fog. Low around 62. South wind 3 to 8 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Rain and
    Patchy Fog
    then Rain
    Likely and
    Patchy Fog

  • Thursday

    Thursday: A slight chance of rain between 11am and noon.  Patchy fog before 11am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 76. South southwest wind 6 to 8 mph.  Chance of precipitation is 20%.

    High: 76 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 57. Light and variable wind.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain before noon.  Mostly cloudy, then gradually becoming sunny, with a high near 74. Calm wind becoming northwest around 5 mph.

    High: 74 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50. Calm wind becoming north around 6 mph in the evening.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain and possibly a thunderstorm before 1am, then rain likely. Patchy fog. Low around 62. South wind 3 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A slight chance of rain between 11am and noon. Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 76. South southwest wind 6 to 8 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 57. Light and variable wind.
Friday
A 20 percent chance of rain before noon. Mostly cloudy, then gradually becoming sunny, with a high near 74. Calm wind becoming northwest around 5 mph.
Friday Night
Mostly clear, with a low around 50. Calm wind becoming north around 6 mph in the evening.
Saturday
Sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 43.
Veterans Day
Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Duncan SC
 34.93°N 82.14°W (Elev. 781 ft)
5:33 pm EST Nov 4, 2026
8pm EST Nov 4, 2026-6pm EST Nov 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database