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

Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Hazardous Weather Conditions

Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Fair

44°F

7°C

Humidity 31%
Wind Speed N 9 mph
Barometer 29.93 in (1013.4 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 29 Dec 5:53 pm EST
Extended Forecast for

Sans Souci SCSimilar City Names

  • Tonight

    Tonight: Clear, with a low around 26. Light and variable wind becoming northwest 5 to 7 mph.

    Low: 26 °F

    Clear

  • Tuesday

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

    High: 47 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26. North wind around 5 mph becoming calm in the evening.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 54. Light west wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 54 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31. West southwest wind 6 to 9 mph.

    Low: 31 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Rain. Low around 45. Chance of precipitation is 80%.

    Low: 45 °F

    Chance Rain
    then Rain

Detailed Forecast

Tonight
Clear, with a low around 26. Light and variable wind becoming northwest 5 to 7 mph.
Tuesday
Sunny, with a high near 47. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 26. North wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 54. Light west wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 31. West southwest wind 6 to 9 mph.
New Year's Day
Sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly cloudy, with a high near 58.
Friday Night
Rain. Low around 45. Chance of precipitation is 80%.
Saturday
Rain likely, mainly before 9am. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Partly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sans Souci SCSimilar City Names
 34.88°N 82.43°W (Elev. 942 ft)
Last Update:
5:48 pm EST Dec 29, 2025
Forecast Valid:
6pm EST Dec 29, 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