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

45°F

7°C

Humidity 29%
Wind Speed Vrbl 3 mph
Barometer 30.02 in (1017.2 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 30 Dec 3:53 pm EST
Extended Forecast for

Slater-Marietta SC

  • 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. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 53 °F

    Sunny

  • Wednesday Night

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

    Low: 29 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Sunny, with a high near 57. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33. Light northwest wind.

    Low: 33 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Rain likely, mainly between 7pm and 1am. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.

    Low: 41 °F

    Rain Likely

  • Saturday

    Saturday: A 30 percent chance of rain before 11am. Mostly sunny, with a high near 60.

    High: 60 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

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. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 29. West southwest wind 3 to 6 mph.
New Year's Day
Sunny, with a high near 57. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 33. Light northwest wind.
Friday
Mostly cloudy, with a high near 57.
Friday Night
Rain likely, mainly between 7pm and 1am. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Saturday
A 30 percent chance of rain before 11am. Mostly sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
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:
12:18 pm EST Dec 30, 2025
Forecast Valid:
4pm EST Dec 30, 2025-6pm EST Jan 6, 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