Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Fair

66°F

19°C

Humidity 73%
Wind Speed Calm
Barometer 30.24 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 19 May 7:15 am EDT
Extended Forecast for

3 Miles ENE Flag Pond TN

  • Today

    Today: Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Mostly sunny, with a high near 84. Calm wind becoming northwest around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Mostly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 65. Calm wind.  Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after 11am.  High near 80. Calm wind.  Chance of precipitation is 100%.

    High: 80 °F

    Showers
    Likely then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 11pm, then showers likely.  Low around 64. Calm wind becoming southeast around 5 mph.  Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 78. South wind around 5 mph.  Chance of precipitation is 70%.

    High: 78 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely after 2am.  Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely, then showers and possibly a thunderstorm after 8am.  High near 77. Chance of precipitation is 90%.

    High: 77 °F

    Showers
    Likely then
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph.
Tonight
Mostly cloudy, with a low around 65. Calm wind.
Wednesday
A chance of showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 84. Calm wind becoming northwest around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 60%.
Thursday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 80. Calm wind. Chance of precipitation is 100%.
Thursday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 64. Calm wind becoming southeast around 5 mph. Chance of precipitation is 80%.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 78. South wind around 5 mph. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Saturday
Showers likely, then showers and possibly a thunderstorm after 8am. High near 77. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 64. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. High near 79. Chance of precipitation is 90%.
Sunday Night
Showers and thunderstorms. Low around 64. Chance of precipitation is 80%.
Memorial Day
Showers and possibly a thunderstorm. High near 79. Chance of precipitation is 90%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Flag Pond TN
 36.04°N 82.52°W (Elev. 2349 ft)
7:06 am EDT May 19, 2026
7am EDT May 19, 2026-6pm EDT May 25, 2026
 
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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