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

77°F

25°C

Humidity 89%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 29 Jun 2:10 am 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

  • Overnight

    Overnight: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 96. Heat index values as high as 107. Calm wind becoming west southwest around 5 mph.

    High: 96 °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 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 98. Calm wind.

    High: 98 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. Calm wind.

    Low: 77 °F

    Mostly Clear

  • Thursday

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

    High: 98 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 75. East wind around 5 mph becoming calm.

    Low: 75 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 73. Calm wind.
Monday
Sunny, with a high near 96. Heat index values as high as 107. Calm wind becoming west southwest 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 75. Calm wind.
Wednesday
Sunny and hot, with a high near 98. Calm wind.
Wednesday Night
Mostly clear, with a low around 77. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 98. Calm wind becoming northeast around 5 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 75. East wind around 5 mph becoming calm.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 75.
Independence Day
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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. Mostly sunny, with a high near 93.
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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 am CDT Jun 29, 2026
Forecast Valid:
2am CDT Jun 29, 2026-6pm CDT Jul 5, 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