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.

72°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 30.21 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 15 Aug 7:35 am EDT
Extended Forecast for

3 Miles NNW Afton TN

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Mostly sunny and hot, with a high near 90. Heat index values as high as 98. Calm wind becoming west around 5 mph in the afternoon.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 7pm and 8pm.  Partly cloudy, with a low around 72. Calm wind.  Chance of precipitation is 10%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 92. Heat index values as high as 99. Light southwest wind becoming west 5 to 10 mph in the morning.

    High: 92 °F

    Hot

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 2am.  Mostly clear, with a low around 72. Southwest wind around 5 mph.

    Low: 72 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm after 2pm.  Mostly sunny and hot, with a high near 91. Southwest wind 5 to 10 mph.  Chance of precipitation is 70%.

    High: 91 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am.  Partly cloudy, with a low around 69. West wind around 5 mph becoming calm.  Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. Calm wind becoming northwest around 5 mph.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 98. Calm wind becoming west around 5 mph in the afternoon.
Tonight
A slight chance of showers and thunderstorms between 7pm and 8pm. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 10%.
Sunday
Sunny and hot, with a high near 92. Heat index values as high as 99. Light southwest wind becoming west 5 to 10 mph in the morning.
Sunday Night
A 20 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 72. Southwest wind around 5 mph.
Monday
A slight chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny and hot, with a high near 91. Southwest wind 5 to 10 mph. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 69. West wind around 5 mph becoming calm. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 87. Calm wind becoming northwest around 5 mph.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 2am. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Afton TN
 36.26°N 82.8°W (Elev. 1512 ft)
7:06 am EDT Aug 15, 2026
8am EDT Aug 15, 2026-6pm EDT Aug 21, 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