National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Lebanon Municipal Airport (KM54)

Lat: 36.19°NLon: 86.32°WElev: 588ft.

Fair

82°F

28°C

Humidity 84%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 14 Aug 9:50 pm CDT
Extended Forecast for

7 Miles S Hartsville TN

Extreme Heat Warning until August 16, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until August 16, 07:00pm

    NOW until 7:00pm Sun

    Extreme Heat Warning

  • Tonight

    Low: 74 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 95. Heat index values as high as 105. Calm wind becoming west southwest around 5 mph.

    High: 95 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. Calm wind becoming southwest around 5 mph.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 97. Heat index values as high as 104. South wind around 5 mph becoming west in the afternoon.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72. North northwest wind around 5 mph becoming calm.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 91. Calm wind becoming north northwest around 5 mph.

    High: 91 °F

    Mostly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 74. Calm wind.
Saturday
Sunny, with a high near 95. Heat index values as high as 105. Calm wind becoming west southwest around 5 mph.
Saturday Night
Mostly clear, with a low around 73. Calm wind becoming southwest around 5 mph.
Sunday
Sunny and hot, with a high near 97. Heat index values as high as 104. South wind around 5 mph becoming west in the afternoon.
Sunday Night
Mostly clear, with a low around 75. Calm wind.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 72. North northwest wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 91. Calm wind becoming north northwest around 5 mph.
Tuesday Night
Mostly clear, with a low around 70. Calm wind.
Wednesday
Sunny, with a high near 94.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S Hartsville TN
 36.29°N 86.14°W (Elev. 925 ft)
Last Update:
7:26 pm CDT Aug 14, 2026
Forecast Valid:
10pm CDT Aug 14, 2026-6pm CDT Aug 21, 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