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

McMinnville Warren County Memorial Airport (KRNC)

Lat: 35.7°NLon: 85.84°WElev: 1033ft.

Mostly Cloudy

86°F

30°C

Humidity 55%
Wind Speed SW 8 mph
Barometer 30.09 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 10 Sep 11:55 am CDT
Extended Forecast for

Smartt TN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 92. Heat index values as high as 97. West southwest wind around 5 mph.

    High: 92 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 93. Heat index values as high as 99. Calm wind becoming south southwest around 5 mph.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Patchy fog between midnight and 4am. Otherwise, increasing clouds, with a low around 69. Calm wind. Chance of precipitation is 30%.

    Low: 69 °F

    Slight Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: Showers likely, then showers and possibly a thunderstorm after 10am. High near 87. Calm wind becoming southwest around 5 mph. Chance of precipitation is 90%.

    High: 87 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Areas of fog after 9pm. Otherwise, partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    Showers and
    Areas Fog

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 89. Calm wind. Chance of precipitation is 30%.

    High: 89 °F

    Chance
    Showers and
    Areas Fog

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. Calm wind becoming south around 5 mph.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 92. Heat index values as high as 97. West southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 69. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 93. Heat index values as high as 99. Calm wind becoming south southwest around 5 mph.
Friday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Patchy fog between midnight and 4am. Otherwise, increasing clouds, with a low around 69. Calm wind. Chance of precipitation is 30%.
Saturday
Showers likely, then showers and possibly a thunderstorm after 10am. High near 87. Calm wind becoming southwest around 5 mph. Chance of precipitation is 90%.
Saturday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Areas of fog after 9pm. Otherwise, partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 40%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 89. Calm wind. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 66. Calm wind.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. Calm wind becoming south around 5 mph.
Monday Night
Mostly clear, with a low around 66.
Tuesday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 91.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 67.
Wednesday
A 50 percent chance of showers and thunderstorms. Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Smartt TN
 35.65°N 85.83°W (Elev. 994 ft)
Last Update:
10:36 am CDT Sep 10, 2026
Forecast Valid:
12pm CDT Sep 10, 2026-6pm CDT Sep 16, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation