Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Hazardous Weather Conditions

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Fog/Mist

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 73°F (23°C)
Visibility 5.00 mi
Last update 16 Aug 1:55 am EDT
Extended Forecast for

4 Miles N Limestone TN

  • Overnight

    Overnight: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog between 7am and 8am.  Otherwise, sunny and hot, with a high near 90. Heat index values as high as 96. Calm wind becoming west around 5 mph in the morning.

    High: 90 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71. Southwest wind around 5 mph.

    Low: 71 °F

    Mostly Clear

  • Monday

    Monday: Showers likely and possibly a thunderstorm after 2pm.  Mostly sunny, with a high near 89. Heat index values as high as 95. West wind 5 to 10 mph.  Chance of precipitation is 60%.

    High: 89 °F

    Mostly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am.  Mostly cloudy, with a low around 68. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 2am.  Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 70. Calm wind.
Sunday
Patchy fog between 7am and 8am. Otherwise, sunny and hot, with a high near 90. Heat index values as high as 96. Calm wind becoming west around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 71. Southwest wind around 5 mph.
Monday
Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 89. Heat index values as high as 95. West wind 5 to 10 mph. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 68. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 64. Calm wind.
Wednesday
Sunny, with a high near 87.
Wednesday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 67.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 86.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Limestone TN
 36.3°N 82.65°W (Elev. 1699 ft)
1:06 am EDT Aug 16, 2026
2am EDT Aug 16, 2026-6pm EDT Aug 22, 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