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.

Overcast

77°F

25°C

Humidity 79%
Wind Speed SW 10 G 20 mph
Barometer 29.91 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 18 Jun 9:15 am EDT
Extended Forecast for

4 Miles SSE Del Rio TN

  • Today

    Today: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 88. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Slight Chance
    T-storms then
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers after 3am. Low around 67. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Showers

  • Juneteenth

    Juneteenth: Showers and thunderstorms likely, mainly before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 81. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. Northwest wind around 5 mph becoming calm in the evening.

    Low: 61 °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: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph.

    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 68. Chance of precipitation is 60%.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 8am. High near 82. Chance of precipitation is 90%.

    High: 82 °F

    Showers

Detailed Forecast

Today
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 88. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, then showers after 3am. Low around 67. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Showers and thunderstorms likely, mainly before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 81. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Partly cloudy, with a low around 61. 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
Partly cloudy, with a low around 65. Calm wind.
Sunday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph.
Sunday Night
A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Monday
Showers likely, then showers and possibly a thunderstorm after 8am. High near 82. Chance of precipitation is 90%.
Monday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 66. Chance of precipitation is 80%.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Del Rio TN
 35.87°N 83.01°W (Elev. 1499 ft)
Last Update:
7:06 am EDT Jun 18, 2026
Forecast Valid:
9am 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