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

84°F

29°C

Humidity 74%
Wind Speed S 7 mph
Barometer 29.98 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 13 Aug 8:50 pm CDT
Extended Forecast for

3 Miles SE Watertown TN

Heat Advisory August 13, 09:23pm until August 16, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 13, 09:23pm until August 16, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Tonight

    Low: 74 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 95. Heat index values as high as 106. West southwest wind around 5 mph.

    High: 95 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 75. Calm wind becoming south southwest around 5 mph.

    Low: 75 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 96. Heat index values as high as 104. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74. Calm wind becoming south around 5 mph.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 97. West southwest wind around 5 mph.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. South southwest wind around 5 mph.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. South southwest wind 5 to 10 mph becoming west northwest in the afternoon.

    High: 95 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 74. South southwest wind around 5 mph.
Friday
Mostly sunny, with a high near 95. Heat index values as high as 106. West southwest wind around 5 mph.
Friday Night
Partly cloudy, with a low around 75. Calm wind becoming south southwest around 5 mph.
Saturday
Sunny, with a high near 96. Heat index values as high as 104. Calm wind becoming west southwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 74. Calm wind becoming south around 5 mph.
Sunday
Sunny and hot, with a high near 97. West southwest wind around 5 mph.
Sunday Night
Mostly clear, with a low around 75. South southwest wind around 5 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. South southwest wind 5 to 10 mph becoming west northwest in the afternoon.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. North northwest wind around 5 mph becoming calm. Chance of precipitation is 20%.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 72.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Watertown TN
 36.07°N 86.1°W (Elev. 906 ft)
Last Update:
7:26 pm CDT Aug 13, 2026
Forecast Valid:
9pm CDT Aug 13, 2026-6pm CDT Aug 20, 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