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

Hazardous Weather Conditions

Current conditions at

Sumner County Regional Airport (KXNX)

Lat: 36.38°NLon: 86.41°WElev: 583ft.

Fog

66°F

19°C

Humidity 100%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 66°F (19°C)
Visibility 0.25 mi
Last update 20 Jun 6:15 am CDT
Extended Forecast for

3 Miles NNE Hartsville TN

Dense Fog Advisory until June 20, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until June 20, 09:00am

    NOW until 9:00am Fri

    Dense Fog Advisory

  • Today

    High: 87 °F

    Areas Dense
    Fog then
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming south around 5 mph in the afternoon.

    High: 91 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, sunny, with a high near 92. Calm wind.

    High: 92 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93. Calm wind.

    High: 93 °F

    Sunny

  • Monday Night

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

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Today
Areas of dense fog before 10am. Otherwise, mostly sunny, with a high near 87. Calm wind.
Tonight
Mostly clear, with a low around 67. Calm wind.
Saturday
Sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly clear, with a low around 72. Calm wind.
Sunday
Patchy fog before 8am. Otherwise, sunny, with a high near 92. Calm wind.
Sunday Night
Mostly clear, with a low around 72. Calm wind.
Monday
Sunny, with a high near 93. Calm wind.
Monday Night
Mostly clear, with a low around 73. Calm wind.
Tuesday
Sunny, with a high near 93. Calm wind.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
A 20 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 NNE Hartsville TN
 36.43°N 86.12°W (Elev. 669 ft)
Last Update:
5:42 am CDT Jun 20, 2025
Forecast Valid:
6am CDT Jun 20, 2025-6pm CDT Jun 26, 2025
 
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