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Hazardous Weather Conditions

Current conditions at

Lebanon Municipal Airport (KM54)

Lat: 36.19°NLon: 86.32°WElev: 588ft.

Fair

90°F

32°C

Humidity 59%
Wind Speed NW 5 mph
Barometer 30.17 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 18 Sep 10:35 am CDT
Extended Forecast for

7 Miles SSW Hartsville TN

Heat Advisory September 18, 10:54am until September 20, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 18, 10:54am until September 20, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Today

    High: 98 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers and thunderstorms between 3pm and 4pm. Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind. Chance of precipitation is 20%.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 97. Calm wind becoming south southwest around 5 mph.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Calm wind becoming south southwest around 5 mph.

    High: 96 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm. Chance of precipitation is 50%.

    Low: 68 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny and hot, with a high near 98. Heat index values as high as 105. Calm wind becoming north around 5 mph.
Tonight
Mostly clear, with a low around 71. Calm wind.
Saturday
A slight chance of showers and thunderstorms between 3pm and 4pm. Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 70. Calm wind.
Sunday
Mostly sunny and hot, with a high near 97. Calm wind becoming south southwest around 5 mph.
Sunday Night
Partly cloudy, with a low around 70. Calm wind.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Calm wind becoming south southwest around 5 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm. Chance of precipitation is 50%.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 89. Calm wind becoming northwest around 5 mph in the morning. Chance of precipitation is 50%.
Tuesday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 63.
Wednesday
Partly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSW Hartsville TN
 36.3°N 86.22°W (Elev. 495 ft)
Last Update:
5:06 am CDT Sep 18, 2026
Forecast Valid:
10am CDT Sep 18, 2026-6pm CDT Sep 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation