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

Hazardous Weather Conditions

Current conditions at

Music City Executive Airport (KXNX)

Lat: 36.38°NLon: 86.41°WElev: 583ft.

Fair

77°F

25°C

Humidity 89%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 19 Sep 3:15 am CDT
Extended Forecast for

Hartsville TN

Heat Advisory September 19, 03:24am until September 20, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 19, 03:24am until September 20, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Overnight

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers and thunderstorms between 1pm and 4pm. Patchy fog between 7am and 8am. Otherwise, sunny and hot, with a high near 99. Heat index values as high as 106. Calm wind. Chance of precipitation is 20%.

    High: 99 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 98. Heat index values as high as 104. Calm wind becoming south southwest around 5 mph in the morning.

    High: 98 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Calm wind becoming west around 5 mph in the afternoon.

    High: 96 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Patchy fog before 1am, then patchy fog after 2am. Otherwise, mostly cloudy, with a low around 66. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely and
    Patchy Fog

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 88. Calm wind becoming north northwest around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 88 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 71. Calm wind.
Saturday
A slight chance of showers and thunderstorms between 1pm and 4pm. Patchy fog between 7am and 8am. Otherwise, sunny and hot, with a high near 99. Heat index values as high as 106. Calm wind. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 71. Calm wind.
Sunday
Mostly sunny and hot, with a high near 98. Heat index values as high as 104. Calm wind becoming south southwest around 5 mph in the morning.
Sunday Night
Partly cloudy, with a low around 70. Calm wind.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Showers likely and possibly a thunderstorm. Patchy fog before 1am, then patchy fog after 2am. Otherwise, mostly cloudy, with a low around 66. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 88. Calm wind becoming north northwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of showers. Partly cloudy, with a low around 63. North wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hartsville TN
 36.38°N 86.16°W (Elev. 440 ft)
Last Update:
1:31 am CDT Sep 19, 2026
Forecast Valid:
3am CDT Sep 19, 2026-6pm CDT Sep 25, 2026
 
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Additional Resources

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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