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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Fair

73°F

23°C

Humidity 65%
Wind Speed SW 3 mph
Barometer 29.86 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 17 Jun 10:35 pm EDT
Extended Forecast for

Greeneville TN

  • Tonight

    Tonight: Partly cloudy, with a low around 67. Southwest wind around 5 mph.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 2pm. Increasing clouds, with a high near 87. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Mostly Sunny
    then T-storms
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 66. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms then
    Showers

  • Juneteenth

    Juneteenth: Showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm. High near 81. West wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 81 °F

    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. Northwest wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 83. Calm wind becoming north around 5 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 67. Southwest wind around 5 mph.
Thursday
Showers and thunderstorms likely, mainly after 2pm. Increasing clouds, with a high near 87. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 66. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm. High near 81. West wind 5 to 10 mph. Chance of precipitation is 80%.
Friday Night
Partly cloudy, with a low around 59. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 83. Calm wind becoming north around 5 mph.
Saturday Night
Mostly clear, with a low around 62. Calm wind.
Sunday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.
Sunday Night
A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Monday
Showers likely, then showers and possibly a thunderstorm after 8am. High near 83. Chance of precipitation is 90%.
Monday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%.
Tuesday
Showers and thunderstorms likely. Mostly sunny, with a high near 81. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Greeneville TN
 36.15°N 82.81°W (Elev. 1499 ft)
Last Update:
7:06 pm EDT Jun 17, 2026
Forecast Valid:
10pm EDT Jun 17, 2026-6pm EDT Jun 24, 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