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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Fair

48°F

9°C

Humidity 50%
Wind Speed SW 5 mph
Barometer 29.90 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 1 Jan 4:15 pm EST
Extended Forecast for

Greeneville TN

  • Tonight

    Tonight: Mostly clear, with a low around 34. Calm wind becoming south around 5 mph.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 54. Calm wind becoming west around 5 mph.

    High: 54 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Showers likely, mainly after 1am. Cloudy, with a low around 41. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely, mainly before 1pm. Cloudy, with a high near 49. Calm wind becoming east around 5 mph. Chance of precipitation is 70%.

    High: 49 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 48. Calm wind becoming northwest around 5 mph.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 34. Calm wind becoming south around 5 mph.
Friday
Increasing clouds, with a high near 54. Calm wind becoming west around 5 mph.
Friday Night
Showers likely, mainly after 1am. Cloudy, with a low around 41. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Showers likely, mainly before 1pm. Cloudy, with a high near 49. Calm wind becoming east around 5 mph. Chance of precipitation is 70%.
Saturday Night
Mostly cloudy, with a low around 36. Calm wind.
Sunday
Mostly sunny, with a high near 48. Calm wind becoming northwest around 5 mph.
Sunday Night
Mostly cloudy, with a low around 31. Calm wind.
Monday
Mostly sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 46.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 61.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 44.
Thursday
A 20 percent chance of showers. Mostly cloudy, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greeneville TN
 36.15°N 82.84°W (Elev. 1535 ft)
Last Update:
12:31 pm EST Jan 1, 2026
Forecast Valid:
4pm EST Jan 1, 2026-6pm EST Jan 8, 2026
 
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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