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

81°F

27°C

Humidity 51%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 19 May 6:55 pm EDT
Extended Forecast for

Flag Pond TN

  • Tonight

    Tonight: Mostly cloudy, with a low around 65. Calm wind becoming south around 5 mph.

    Low: 65 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Mostly sunny, with a high near 83. Calm wind becoming west around 5 mph.

    High: 83 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 1am.  Mostly cloudy, with a low around 64. Calm wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after 11am.  High near 77. Calm wind.  Chance of precipitation is 100%.

    High: 77 °F

    Showers
    Likely then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 11pm, then showers likely.  Low around 63. Calm wind becoming southeast around 5 mph after midnight.  Chance of precipitation is 80%.

    Low: 63 °F

    Showers

  • Friday

    Friday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 75. South wind around 5 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%.

    High: 75 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers.  Mostly cloudy, with a low around 62. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, then showers and possibly a thunderstorm after 8am.  High near 73. Chance of precipitation is 90%.

    High: 73 °F

    Showers
    Likely then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am.  Low around 62. Chance of precipitation is 80%.

    Low: 62 °F

    Showers then
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 65. Calm wind becoming south around 5 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 83. Calm wind becoming west around 5 mph.
Wednesday Night
Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 77. Calm wind. Chance of precipitation is 100%.
Thursday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 63. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 80%.
Friday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 75. South wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 62. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Saturday
A chance of showers, then showers and possibly a thunderstorm after 8am. High near 73. 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. Low around 62. Chance of precipitation is 80%.
Sunday
A chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 75. Chance of precipitation is 90%.
Sunday Night
Showers and thunderstorms. Low around 62. Chance of precipitation is 80%.
Memorial Day
Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 90%.
Monday Night
Showers and thunderstorms. Low around 62. Chance of precipitation is 80%.
Tuesday
Showers and thunderstorms. High near 77. Chance of precipitation is 90%.
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ABOUT THIS FORECAST

 
Point Forecast:
Flag Pond TN
 36°N 82.55°W (Elev. 2818 ft)
7:06 pm EDT May 19, 2026
7pm EDT May 19, 2026-6pm EDT May 26, 2026
 
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Additional Resources

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