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.

Overcast

79°F

26°C

Humidity 79%
Wind Speed SW 13 mph
Barometer 29.80 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 18 Jun 3:55 am CDT
Extended Forecast for

Altamont TN

  • Today

    Today: Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. High near 78. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a chance of showers. Patchy fog before 1am, then patchy fog after 2am. Otherwise, mostly cloudy, with a low around 66. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers
    Likely and
    Patchy Fog

  • Juneteenth

    Juneteenth: A 10 percent chance of showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 78. North northwest wind around 5 mph.

    High: 78 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. Calm wind.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 30%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 79. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 80%.

    High: 79 °F

    Chance
    Showers then
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. South southwest wind 5 to 10 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 75. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    High: 75 °F

    Showers

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. High near 78. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 2am, then a chance of showers. Patchy fog before 1am, then patchy fog after 2am. Otherwise, mostly cloudy, with a low around 66. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Juneteenth
A 10 percent chance of showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 78. North northwest wind around 5 mph.
Friday Night
Partly cloudy, with a low around 60. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. Calm wind.
Saturday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 79. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 80%.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. South southwest wind 5 to 10 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Monday
Showers and possibly a thunderstorm. High near 75. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
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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 Jun 18, 2026
Forecast Valid:
4am CDT Jun 18, 2026-6pm CDT Jun 24, 2026
 
Forecast Discussion
 
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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