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

27°F

-3°C

Humidity 61%
Wind Speed N 10 mph
Barometer 30.06 in (1018.6 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 30 Dec 7:53 am EST
Extended Forecast for

Slater-Marietta SC

  • Today

    Today: Sunny, with a high near 47. North wind around 5 mph becoming light and variable in the afternoon.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 24. Light and variable wind.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 53. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 53 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 29. West wind 3 to 6 mph.

    Low: 29 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Sunny, with a high near 57. West southwest wind 3 to 6 mph.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33.

    Low: 33 °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 43. Chance of precipitation is 70%.

    Low: 43 °F

    Rain Likely

  • Saturday

    Saturday: Rain likely, mainly before 7am. 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 5 mph becoming light and variable in the afternoon.
Tonight
Mostly clear, with a low around 24. Light and variable wind.
Wednesday
Sunny, with a high near 53. Calm wind becoming southwest 5 to 9 mph in the morning.
Wednesday Night
Mostly clear, with a low around 29. West wind 3 to 6 mph.
New Year's Day
Sunny, with a high near 57. West southwest wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Mostly cloudy, with a high near 58.
Friday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.
Saturday
Rain likely, mainly before 7am. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 55.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Slater-Marietta SC
 35.02°N 82.49°W (Elev. 988 ft)
Last Update:
6:48 am EST Dec 30, 2025
Forecast Valid:
8am EST Dec 30, 2025-6pm EST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation