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.

Mostly Cloudy

39°F

4°C

Humidity 33%
Wind Speed NE 7 mph
Barometer 30.27 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 8 Feb 7:55 pm EST
Extended Forecast for

Watts Bar Dam TN

  • Tonight

    Tonight: Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 61. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 69. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 69 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 45. Southwest wind around 5 mph becoming calm.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 59. Calm wind becoming north around 5 mph in the afternoon.

    High: 59 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 29. Calm wind.
Monday
Mostly sunny, with a high near 61. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 40. Calm wind.
Tuesday
Mostly cloudy, with a high near 69. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 45. Southwest wind around 5 mph becoming calm.
Wednesday
A 50 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 59. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 33. Calm wind.
Thursday
Partly sunny, with a high near 56.
Thursday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 36.
Friday
A 30 percent chance of showers. Mostly cloudy, with a high near 52.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 35.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 54.
Saturday Night
Showers likely. Cloudy, with a low around 39. Chance of precipitation is 60%.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 53.
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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 pm EST Feb 8, 2026
Forecast Valid:
8pm EST Feb 8, 2026-6pm EST Feb 15, 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