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.

Mostly Cloudy

72°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 12 Jul 5:50 am CDT
Extended Forecast for

6 Miles SSE Castalian Springs TN

Flood Watch July 12, 06:24am until July 12, 06:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 12, 06:24am until July 12, 06:00pm

    NOW until 6:00pm Sun

    Flood Watch

  • Today

    High: 82 °F

    Showers
    Likely then
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Patchy fog between 10pm and 3am. Otherwise, mostly cloudy, with a low around 68. North wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85. Northeast wind 5 to 10 mph.

    High: 85 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 68 °F

    T-storms
    Likely then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 87. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 87 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69. East wind around 5 mph becoming calm.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Calm wind.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Today
Showers and thunderstorms likely before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. High near 82. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Patchy fog between 10pm and 3am. Otherwise, mostly cloudy, with a low around 68. North wind around 5 mph becoming calm. Chance of precipitation is 30%.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85. Northeast wind 5 to 10 mph.
Monday Night
Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 87. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 69. East wind around 5 mph becoming calm.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Calm wind.
Wednesday Night
Partly cloudy, with a low around 71. Calm wind.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Calm wind becoming west around 5 mph.
Thursday Night
Partly cloudy, with a low around 72.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Friday Night
Partly cloudy, with a low around 72.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Castalian Springs TN
 36.3°N 86.27°W (Elev. 535 ft)
Last Update:
5:06 am CDT Jul 12, 2026
Forecast Valid:
6am CDT Jul 12, 2026-6pm CDT Jul 18, 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