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.

Fog/Mist

45°F

7°C

Humidity 100%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 45°F (7°C)
Visibility 3.00 mi
Last update 3 Feb 6:15 pm EST
Extended Forecast for

Watts Bar Dam TN

  • Tonight

    Tonight: Showers, mainly before 1am. Low around 37. South wind around 5 mph becoming calm. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Showers then
    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers after 7am. Cloudy, with a high near 44. Calm wind becoming north around 5 mph in the afternoon.

    High: 44 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 10 percent chance of snow showers before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 20. North wind around 5 mph.

    Low: 20 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 42. Calm wind.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 55. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29. Northwest wind around 5 mph becoming calm in the evening.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers, mainly before 1am. Low around 37. South wind around 5 mph becoming calm. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 20 percent chance of showers after 7am. Cloudy, with a high near 44. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
A 10 percent chance of snow showers before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 20. North wind around 5 mph.
Thursday
Mostly sunny, with a high near 42. Calm wind.
Thursday Night
Partly cloudy, with a low around 23. Calm wind.
Friday
Sunny, with a high near 55. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Friday Night
Mostly cloudy, with a low around 29. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 47.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 56.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 60.
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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 pm EST Feb 3, 2026
Forecast Valid:
6pm EST Feb 3, 2026-6pm EST Feb 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