National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Overcast

61°F

16°C

Humidity 97%
Wind Speed E 8 mph
Barometer 30.13 in (1019.4 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 4 Oct 5:53 am EDT
Extended Forecast for

Sans Souci SC

  • Today

    Today: A chance of showers, with thunderstorms also possible after noon. Patchy fog after 3pm. Otherwise, cloudy, with a high near 72. Northeast wind 5 to 8 mph becoming calm in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Chance
    Showers and
    Patchy Fog

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Patchy fog. Otherwise, cloudy, with a low around 64. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 78. Calm wind becoming east northeast 5 to 8 mph in the morning.

    High: 78 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 56. Northeast wind 5 to 7 mph.

    Low: 56 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72. East northeast wind 9 to 14 mph, with gusts as high as 20 mph.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

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

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after noon. Patchy fog after 3pm. Otherwise, cloudy, with a high near 72. Northeast wind 5 to 8 mph becoming calm in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Patchy fog. Otherwise, cloudy, with a low around 64. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 78. Calm wind becoming east northeast 5 to 8 mph in the morning.
Monday Night
Clear, with a low around 56. Northeast wind 5 to 7 mph.
Tuesday
Sunny, with a high near 72. East northeast wind 9 to 14 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Partly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sans Souci SC
 34.88°N 82.43°W (Elev. 942 ft)
Last Update:
2:23 am EDT Oct 4, 2026
Forecast Valid:
6am EDT Oct 4, 2026-6pm EDT Oct 10, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation