Heavy Rain and Flooding Threat in the Central U.S.; Winter Weather in Northern Alaska

Strong thunderstorms and heavy rain may produce flash flooding across the south-central Plains and lower Mississippi Valley today. The North Slope in Alaska will see the potential for wintry weather through today with ice accumulations possible on roadways. Incoming storms will bring long duration rainfall and strong winds to most of Southcentral Alaska through Friday. Read More >

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Fair

72°F

22°C

Humidity 44%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 28 Aug 11:55 am EDT
Extended Forecast for

Greeneville TN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 78. Calm wind becoming west around 5 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81. Calm wind becoming northwest around 5 mph.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Calm wind becoming north around 5 mph.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 81. Calm wind becoming northeast around 5 mph.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    T-storms

  • Labor Day

    Labor Day: A 30 percent chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 78. Calm wind becoming west around 5 mph.
Tonight
Mostly clear, with a low around 52. Calm wind.
Friday
Sunny, with a high near 81. Calm wind becoming northwest around 5 mph.
Friday Night
Partly cloudy, with a low around 57. Calm wind.
Saturday
Mostly sunny, with a high near 82. Calm wind becoming north around 5 mph.
Saturday Night
Partly cloudy, with a low around 58. Calm wind.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Calm wind becoming northeast around 5 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 59.
Labor Day
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78.
Monday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Greeneville TN
 36.17°N 82.83°W (Elev. 1552 ft)
7:06 am EDT Aug 28, 2025
12pm EDT Aug 28, 2025-6pm EDT Sep 3, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database