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

Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Fair

33°F

1°C

Humidity 45%
Wind Speed N 9 mph
Barometer 30.11 in (1020.2 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 30 Dec 9:53 am EST
Extended Forecast for

Sans Souci SC

  • Today

    Today: Sunny, with a high near 47. North wind around 6 mph becoming southwest in the afternoon.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 25. North northeast wind around 5 mph becoming calm in the evening.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 53. Light west wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 53 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31. West southwest wind 7 to 9 mph.

    Low: 31 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Sunny, with a high near 57. West wind 6 to 8 mph.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Chance Rain
    then Rain
    Likely

  • Saturday

    Saturday: Rain likely, mainly before 8am. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.

    High: 58 °F

    Rain Likely

Detailed Forecast

Today
Sunny, with a high near 47. North wind around 6 mph becoming southwest in the afternoon.
Tonight
Mostly clear, with a low around 25. North northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 53. Light west wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 31. West southwest wind 7 to 9 mph.
New Year's Day
Sunny, with a high near 57. West wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Mostly cloudy, with a high near 58.
Friday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Saturday
Rain likely, mainly before 8am. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sans Souci SC
 34.9°N 82.42°W (Elev. 1001 ft)
Last Update:
6:48 am EST Dec 30, 2025
Forecast Valid:
10am EST Dec 30, 2025-6pm EST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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