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

Hazardous Weather Conditions

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Fair

86°F

30°C

Humidity 59%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 3 Sep 7:35 pm EDT
Extended Forecast for

5 Miles S Mosheim TN

Heat Advisory September 3, 07:50pm until September 4, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 3, 07:50pm until September 4, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 71 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 95. Heat index values as high as 102. Calm wind becoming northwest around 5 mph.

    High: 95 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 11am. Mostly sunny and hot, with a high near 93. Heat index values as high as 99. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 93 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 89. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 50%.

    High: 89 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 66. East wind around 5 mph.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Labor Day

    Labor Day: A slight chance of showers between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 71. Calm wind.
Friday
Sunny and hot, with a high near 95. Heat index values as high as 102. Calm wind becoming northwest around 5 mph.
Friday Night
Partly cloudy, with a low around 72. Calm wind.
Saturday
A chance of showers, with thunderstorms also possible after 11am. Mostly sunny and hot, with a high near 93. Heat index values as high as 99. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 40%.
Saturday Night
A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 69. Calm wind.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 89. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 50%.
Sunday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 66. East wind around 5 mph.
Labor Day
A slight chance of showers between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 90.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Mosheim TN
 36.12°N 82.95°W (Elev. 1302 ft)
Last Update:
7:06 pm EDT Sep 3, 2026
Forecast Valid:
7pm EDT Sep 3, 2026-6pm EDT Sep 10, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation