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

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Overcast

57°F

14°C

Humidity 88%
Wind Speed SW 5 mph
Barometer 30.16 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 25 Dec 5:35 am EST
Extended Forecast for

Rogersville TN

  • Christmas Day

    Christmas Day: A 20 percent chance of showers after noon. Mostly cloudy, with a high near 66. West wind 5 to 10 mph.

    High: 66 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers after 7am. Mostly cloudy, with a high near 68. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 68 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 57. West wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Saturday

    Saturday: Partly sunny, with a high near 68. West wind around 5 mph becoming calm.

    High: 68 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 68. Calm wind becoming southwest around 5 mph in the morning.

    High: 68 °F

    Cloudy then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.

    Low: 40 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.

    High: 53 °F

    Showers
    Likely

Detailed Forecast

Christmas Day
A 20 percent chance of showers after noon. Mostly cloudy, with a high near 66. West wind 5 to 10 mph.
Tonight
A 30 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 54. Calm wind.
Friday
A 30 percent chance of showers after 7am. Mostly cloudy, with a high near 68. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 57. West wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 68. West wind around 5 mph becoming calm.
Saturday Night
Mostly cloudy, with a low around 50. Calm wind.
Sunday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 68. Calm wind becoming southwest around 5 mph in the morning.
Sunday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Monday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Sunny, with a high near 31.
Tuesday Night
Mostly clear, with a low around 17.
Wednesday
Sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rogersville TN
 36.41°N 83°W (Elev. 1394 ft)
Last Update:
12:31 am EST Dec 25, 2025
Forecast Valid:
5am EST Dec 25, 2025-6pm EST Dec 31, 2025
 
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