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

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Partly Cloudy

28°F

-2°C

Humidity 55%
Wind Speed W 9 G 17 mph
Barometer 30.11 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 30 Dec 1:15 pm EST
Extended Forecast for

Greeneville TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 33. West wind around 10 mph, with gusts as high as 20 mph.

    High: 33 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 21. West wind around 5 mph.

    Low: 21 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 42 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 30. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Increasing
    Clouds

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 43. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 43 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 52. Calm wind becoming west around 5 mph.

    High: 52 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 52.

    High: 52 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 33. West wind around 10 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 21. West wind around 5 mph.
Wednesday
Mostly sunny, with a high near 42. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Increasing clouds, with a low around 30. West wind 5 to 10 mph, with gusts as high as 20 mph.
New Year's Day
Mostly cloudy, with a high near 43. West wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 29. Calm wind.
Friday
Mostly cloudy, with a high near 52. Calm wind becoming west around 5 mph.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 39.
Saturday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 52.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greeneville TN
 36.17°N 82.83°W (Elev. 1552 ft)
Last Update:
12:31 pm EST Dec 30, 2025
Forecast Valid:
1pm EST Dec 30, 2025-6pm EST Jan 5, 2026
 
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Additional Resources

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Chance of Precipitation