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Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Overcast

55°F

13°C

Humidity 63%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 13 May 6:55 am EDT
Extended Forecast for

Greeneville TN

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Increasing clouds, with a high near 74. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 74 °F

    Partly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 47. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 47 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 66. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. Northwest wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73. Calm wind becoming west around 5 mph.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Increasing clouds, with a high near 74. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 47. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Thursday
Sunny, with a high near 66. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 43. Northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 73. Calm wind becoming west around 5 mph.
Friday Night
Partly cloudy, with a low around 54. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 60.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 88.
Monday Night
A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 62.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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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:
6:16 am EDT May 13, 2026
Forecast Valid:
7am EDT May 13, 2026-6pm EDT May 19, 2026
 
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