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 >

Hazardous Weather Conditions

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Partly Cloudy

73°F

23°C

Humidity 65%
Wind Speed Calm
Barometer 29.83 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 18 Jun 3:15 am EDT
Extended Forecast for

6 Miles S Fall Branch TN

  • Overnight

    Overnight: Mostly cloudy, with a low around 66. Southwest wind around 10 mph.

    Low: 66 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 86. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Breezy.
    Chance
    Showers then
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms. Low around 65. West wind 5 to 10 mph becoming light southwest in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    T-storms then
    Showers

  • Juneteenth

    Juneteenth: Showers and thunderstorms likely, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 80. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 82. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86.

    High: 86 °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 66. Chance of precipitation is 70%.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 66. Southwest wind around 10 mph.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 86. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms. Low around 65. West wind 5 to 10 mph becoming light southwest in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Showers and thunderstorms likely, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 80. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 82. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm.
Sunday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86.
Sunday Night
A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
Monday
Showers likely, then showers and possibly a thunderstorm after 8am. High near 80. Breezy. Chance of precipitation is 100%.
Monday Night
Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 80%.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Tuesday Night
A slight chance of thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 10%.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Fall Branch TN
 36.34°N 82.62°W (Elev. 1804 ft)
Last Update:
2:26 am EDT Jun 18, 2026
Forecast Valid:
3am EDT Jun 18, 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