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.

Overcast

34°F

1°C

Humidity 75%
Wind Speed N 6 mph
Barometer 30.15 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 3 Dec 6:35 am EST
Extended Forecast for

Watts Bar Dam TN

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 48. Calm wind.

    High: 48 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 27. Calm wind.

    Low: 27 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 47. Calm wind becoming northeast around 5 mph.

    High: 47 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am. Cloudy, with a low around 32. Calm wind. Chance of precipitation is 60%.

    Low: 32 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly before 1pm. Cloudy, with a high near 44. Calm wind. Chance of precipitation is 60%.

    High: 44 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before 1am. Cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers. Mostly cloudy, with a high near 50. Calm wind.

    High: 50 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 48. Calm wind.
Tonight
Increasing clouds, with a low around 27. Calm wind.
Thursday
Mostly cloudy, with a high near 47. Calm wind becoming northeast around 5 mph.
Thursday Night
Showers likely, mainly after 1am. Cloudy, with a low around 32. Calm wind. Chance of precipitation is 60%.
Friday
Showers likely, mainly before 1pm. Cloudy, with a high near 44. Calm wind. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers, mainly before 1am. Cloudy, with a low around 36. Calm wind.
Saturday
A 20 percent chance of showers. Mostly cloudy, with a high near 50. Calm wind.
Saturday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 50.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 31.
Monday
Partly sunny, with a high near 46.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Watts Bar Dam TN
 35.63°N 84.78°W (Elev. 741 ft)
Last Update:
6:06 am EST Dec 3, 2025
Forecast Valid:
7am EST Dec 3, 2025-6pm EST Dec 9, 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