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

Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. Read More >

Hazardous Weather Conditions

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Overcast

63°F

17°C

Humidity 94%
Wind Speed SW 8 mph
Barometer 29.96 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 22 Nov 8:55 am EST
Extended Forecast for

Greeneville TN

  • Today

    Today: A chance of showers and thunderstorms before 2pm, then a slight chance of showers between 2pm and 3pm. Partly sunny, with a high near 67. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 67 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers between 7pm and 9pm. Mostly cloudy, with a low around 46. Calm wind. Chance of precipitation is 20%.

    Low: 46 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 60. Calm wind becoming west around 5 mph in the afternoon.

    High: 60 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 65. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 48. Southeast wind around 5 mph.

    Low: 48 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers likely, mainly after 1pm. Cloudy, with a high near 63. Southeast wind around 5 mph. Chance of precipitation is 60%.

    High: 63 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 52. Chance of precipitation is 80%.

    Low: 52 °F

    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 61.

    High: 61 °F

    Chance
    Showers

Detailed Forecast

Today
A chance of showers and thunderstorms before 2pm, then a slight chance of showers between 2pm and 3pm. Partly sunny, with a high near 67. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tonight
A slight chance of showers between 7pm and 9pm. Mostly cloudy, with a low around 46. Calm wind. Chance of precipitation is 20%.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 60. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 36. Calm wind.
Monday
Mostly sunny, with a high near 65. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 48. Southeast wind around 5 mph.
Tuesday
Showers likely, mainly after 1pm. Cloudy, with a high near 63. Southeast wind around 5 mph. Chance of precipitation is 60%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 52. Chance of precipitation is 80%.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 61.
Wednesday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 32.
Thanksgiving Day
Mostly sunny, with a high near 47.
Thursday Night
Mostly clear, with a low around 25.
Friday
Sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greeneville TN
 36.17°N 82.81°W (Elev. 1598 ft)
Last Update:
6:06 am EST Nov 22, 2025
Forecast Valid:
9am EST Nov 22, 2025-6pm EST Nov 28, 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