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

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Fair

63°F

17°C

Humidity 73%
Wind Speed SW 13 mph
Barometer 30.33 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 4 Mar 10:15 am EST
Extended Forecast for

Watts Bar Dam TN

  • Today

    Today: Partly sunny, with a high near 75. Southwest wind around 5 mph.

    High: 75 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 79. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 79 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. Light south wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 20%.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61. South wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 80. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 80 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 74. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 75. Southwest wind around 5 mph.
Tonight
Mostly cloudy, with a low around 55. Calm wind.
Thursday
Partly sunny, with a high near 79. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 56. Calm wind.
Friday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. Light south wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61. South wind around 5 mph becoming calm. Chance of precipitation is 20%.
Saturday
A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 80. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Saturday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 74. Chance of precipitation is 50%.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 53.
Monday
A 50 percent chance of showers. Mostly sunny, with a high near 77.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 57.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watts Bar Dam TN
 35.63°N 84.78°W (Elev. 741 ft)
Last Update:
6:06 am EST Mar 4, 2026
Forecast Valid:
10am EST Mar 4, 2026-6pm EDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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