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

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Overcast

55°F

13°C

Humidity 88%
Wind Speed Calm
Barometer 30.25 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 24 Dec 5:35 am EST
Extended Forecast for

3 Miles E Surgoinsville TN

  • Overnight

    Overnight: A 30 percent chance of showers. Cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 10 percent chance of showers before 7am. Mostly cloudy, with a high near 64. Calm wind.

    High: 64 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Showers likely, mainly between 1am and 3am. Mostly cloudy, with a low around 53. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Mostly Cloudy
    then Showers
    Likely

  • Christmas Day

    Christmas Day: Showers, mainly after 7am. High near 66. West wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 66 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before 1am. Cloudy, with a low around 55. Calm wind. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 67. Southwest wind 5 to 10 mph.

    High: 67 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 57. Southwest wind around 5 mph. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly cloudy, with a high near 69.

    High: 69 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers. Cloudy, with a low around 49. Calm wind.
Wednesday
A 10 percent chance of showers before 7am. Mostly cloudy, with a high near 64. Calm wind.
Wednesday Night
Showers likely, mainly between 1am and 3am. Mostly cloudy, with a low around 53. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Christmas Day
Showers, mainly after 7am. High near 66. West wind 5 to 10 mph. Chance of precipitation is 80%.
Thursday Night
Showers likely, mainly before 1am. Cloudy, with a low around 55. Calm wind. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 67. Southwest wind 5 to 10 mph.
Friday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 57. Southwest wind around 5 mph. Chance of precipitation is 60%.
Saturday
Mostly cloudy, with a high near 69.
Saturday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 53.
Sunday
Showers likely, mainly after 1pm. Cloudy, with a high near 66. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 28.
Monday
A 30 percent chance of snow showers. Mostly sunny, with a high near 38.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Mostly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Surgoinsville TN
 36.49°N 82.8°W (Elev. 1142 ft)
Last Update:
12:31 am EST Dec 24, 2025
Forecast Valid:
5am EST Dec 24, 2025-6pm EST Dec 30, 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