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.

Fog

64°F

18°C

Humidity 100%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 64°F (18°C)
Visibility 0.50 mi
Last update 19 Aug 5:35 am CDT
Extended Forecast for

Altamont TN

  • Today

    Today: Sunny, with a high near 88. Calm wind.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: A chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 30%.

    Low: 70 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 9am. Mostly sunny, with a high near 85. West northwest wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 68. Calm wind. Chance of precipitation is 60%.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 10am. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 83. Calm wind becoming west around 5 mph. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Friday Night

    Friday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Areas of fog before 8am. Otherwise, sunny, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 83 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 83 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 88. Calm wind.
Tonight
A chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 30%.
Thursday
Showers and thunderstorms likely, mainly before 9am. Mostly sunny, with a high near 85. West northwest wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 68. Calm wind. Chance of precipitation is 60%.
Friday
A chance of showers, with thunderstorms also possible after 10am. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 83. Calm wind becoming west around 5 mph. Chance of precipitation is 30%.
Friday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 65. Calm wind.
Saturday
Areas of fog before 8am. Otherwise, sunny, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 64. Calm wind.
Sunday
Sunny, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 63.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 83.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 64.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Altamont TN
 35.44°N 85.73°W (Elev. 1841 ft)
Last Update:
1:31 am CDT Aug 19, 2026
Forecast Valid:
5am CDT Aug 19, 2026-6pm CDT Aug 25, 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