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

86°F

30°C

Humidity 62%
Wind Speed W 3 mph
Barometer 29.95 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 28 Jun 8:10 pm CDT
Extended Forecast for

3 Miles WNW Watertown TN

Extreme Heat Warning June 29, 11:00am until July 2, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: Sunny, with a high near 95. Heat index values as high as 106. Calm wind becoming west around 5 mph.

    High: 95 °F

    Sunny

  • Monday Night

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

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 97. Heat index values as high as 109. Calm wind.

    High: 97 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97. Calm wind becoming southeast around 5 mph.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98. Calm wind becoming east northeast around 5 mph.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 75. East northeast wind around 5 mph becoming calm.

    Low: 75 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 73. Calm wind.
Monday
Sunny, with a high near 95. Heat index values as high as 106. Calm wind becoming west around 5 mph.
Monday Night
Mostly clear, with a low around 75. Calm wind.
Tuesday
Sunny and hot, with a high near 97. Heat index values as high as 109. Calm wind.
Tuesday Night
Mostly clear, with a low around 76. Calm wind.
Wednesday
Sunny and hot, with a high near 97. Calm wind becoming southeast around 5 mph.
Wednesday Night
Mostly clear, with a low around 76. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98. Calm wind becoming east northeast around 5 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 75. East northeast wind around 5 mph becoming calm.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97.
Friday Night
Mostly clear, with a low around 75.
Independence Day
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 96.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Sunday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Watertown TN
 36.12°N 86.21°W (Elev. 748 ft)
Last Update:
1:31 pm CDT Jun 28, 2026
Forecast Valid:
8pm CDT Jun 28, 2026-6pm CDT Jul 5, 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