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 94%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 70°F (21°C)
Visibility 9.00 mi
Last update 14 Aug 7:35 am EDT
Extended Forecast for

5 Miles SE Rogersville TN

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 2pm.  Partly sunny and hot, with a high near 90. Heat index values as high as 99. Calm wind becoming west around 5 mph in the afternoon.

    High: 90 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Partly sunny and hot, with a high near 90. Heat index values as high as 103. Calm wind becoming west around 5 mph.

    High: 90 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 92. Calm wind becoming west around 5 mph in the afternoon.

    High: 92 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Showers likely and possibly a thunderstorm after 2pm.  Sunny and hot, with a high near 92. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 60%.

    High: 92 °F

    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.  Partly cloudy, with a low around 70. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 8am.  Mostly sunny, with a high near 87.

    High: 87 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny and hot, with a high near 90. Heat index values as high as 99. Calm wind becoming west around 5 mph in the afternoon.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 71. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny and hot, with a high near 90. Heat index values as high as 103. Calm wind becoming west around 5 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 72. Calm wind.
Sunday
Sunny and hot, with a high near 92. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 72. Calm wind.
Monday
Showers likely and possibly a thunderstorm after 2pm. Sunny and hot, with a high near 92. Calm wind becoming west around 5 mph in the afternoon. 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. Partly cloudy, with a low around 70. Chance of precipitation is 60%.
Tuesday
A 20 percent chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Rogersville TN
 36.36°N 82.92°W (Elev. 1201 ft)
7:06 am EDT Aug 14, 2026
7am EDT Aug 14, 2026-6pm EDT Aug 20, 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