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.

Partly Cloudy

93°F

34°C

Humidity 59%
Wind Speed SW 7 mph
Barometer 30.01 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index107°F (42°C)
Last update 11 Aug 1:50 pm CDT
Extended Forecast for

5 Miles SSW Watertown TN

Heat Advisory August 11, 02:21pm until August 14, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 11, 02:21pm until August 14, 09:00pm

    NOW until 9:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 92 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Partly cloudy, with a low around 72. South southwest wind around 5 mph. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Mostly sunny, with a high near 91. Heat index values as high as 99. West southwest wind 5 to 10 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 2am, then a slight chance of showers after 5am. Partly cloudy, with a low around 73. South wind around 5 mph. Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 92. Southwest wind 5 to 10 mph.

    High: 92 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 75. South southwest wind around 5 mph.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 94. South southwest wind around 5 mph becoming west in the afternoon.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Heat index values as high as 102. Southwest wind 5 to 10 mph.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Partly cloudy, with a low around 72. South southwest wind around 5 mph. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Mostly sunny, with a high near 91. Heat index values as high as 99. West southwest wind 5 to 10 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 2am, then a slight chance of showers after 5am. Partly cloudy, with a low around 73. South wind around 5 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 92. Southwest wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 75. South southwest wind around 5 mph.
Friday
Sunny, with a high near 94. South southwest wind around 5 mph becoming west in the afternoon.
Friday Night
Partly cloudy, with a low around 74. Calm wind.
Saturday
Sunny, with a high near 94. Calm wind becoming west around 5 mph.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Sunny, with a high near 96.
Sunday Night
Mostly clear, with a low around 74.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Watertown TN
 36.02°N 86.16°W (Elev. 1165 ft)
Last Update:
1:31 pm CDT Aug 11, 2026
Forecast Valid:
2pm CDT Aug 11, 2026-6pm CDT Aug 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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