National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Lebanon Municipal Airport (KM54)

Lat: 36.19°NLon: 86.32°WElev: 588ft.

Fair

72°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 9 Aug 2:35 am CDT
Extended Forecast for

South Carthage TN

  • Overnight

    Overnight: Patchy fog before 5am. Otherwise, mostly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Patchy Fog

  • Sunday

    Sunday: A 30 percent chance of showers, mainly after 4pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 90. Heat index values as high as 99. Calm wind becoming south southwest around 5 mph.

    High: 90 °F

    Patchy Fog
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 93. Heat index values as high as 103. Calm wind becoming southwest around 5 mph in the morning.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. South southwest wind around 5 mph becoming calm.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. West southwest wind around 5 mph.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73. South southwest wind around 5 mph.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. West southwest wind 5 to 10 mph.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. South southwest wind around 5 mph.

    Low: 73 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Patchy fog before 5am. Otherwise, mostly cloudy, with a low around 71. Calm wind.
Sunday
A 30 percent chance of showers, mainly after 4pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 90. Heat index values as high as 99. Calm wind becoming south southwest around 5 mph.
Sunday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 30%.
Monday
Sunny, with a high near 93. Heat index values as high as 103. Calm wind becoming southwest around 5 mph in the morning.
Monday Night
Mostly clear, with a low around 72. South southwest wind around 5 mph becoming calm.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. West southwest wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 73. South southwest wind around 5 mph.
Wednesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. West southwest wind 5 to 10 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. South southwest wind around 5 mph.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 92.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 72.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Carthage TN
 36.24°N 85.97°W (Elev. 597 ft)
Last Update:
1:31 am CDT Aug 9, 2026
Forecast Valid:
3am CDT Aug 9, 2026-6pm CDT Aug 15, 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