Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Fog/Mist

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 68°F (20°C)
Visibility 5.00 mi
Last update 19 Aug 5:15 am EDT
Extended Forecast for

4 Miles NNE Max Patch NC

  • Today

    Today: Sunny, with a high near 78. West wind around 5 mph becoming north in the morning.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 66. Calm wind becoming southwest around 5 mph after midnight.

    Low: 66 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms after 5pm.  Mostly cloudy, then gradually becoming sunny, with a high near 79. West wind 5 to 10 mph.  Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly after 2am.  Partly cloudy, with a low around 65. Northwest wind around 5 mph becoming south after midnight.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 11am.  High near 76. South wind around 5 mph becoming west in the afternoon.  Chance of precipitation is 80%.

    High: 76 °F

    Showers

  • Friday Night

    Friday Night: Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am.  Low around 63. Calm wind.  Chance of precipitation is 80%.

    Low: 63 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 76. Southwest wind around 5 mph becoming northwest in the morning.

    High: 76 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 62.

    Low: 62 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 78. West wind around 5 mph becoming north in the morning.
Tonight
Increasing clouds, with a low around 66. Calm wind becoming southwest around 5 mph after midnight.
Thursday
A chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 79. West wind 5 to 10 mph. Chance of precipitation is 30%.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 65. Northwest wind around 5 mph becoming south after midnight.
Friday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 76. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 80%.
Friday Night
Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 63. Calm wind. Chance of precipitation is 80%.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 76. Southwest wind around 5 mph becoming northwest in the morning.
Saturday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 62.
Sunday
Sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Max Patch NC
 35.84°N 82.93°W (Elev. 3346 ft)
2:26 am EDT Aug 19, 2026
5am EDT Aug 19, 2026-6pm EDT Aug 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