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

36°F

2°C

Humidity 41%
Wind Speed NW 6 mph
Barometer 30.26 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 28 Jan 5:55 pm EST
Extended Forecast for

Watts Bar Dam TN

  • Tonight

    Tonight: Mostly clear, with a low around 18. Calm wind.

    Low: 18 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 40. Calm wind.

    High: 40 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of snow before 3pm, then a slight chance of rain and snow. Mostly cloudy, with a high near 42. Calm wind becoming north around 5 mph. Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 16. North wind around 5 mph, with gusts as high as 20 mph.

    Low: 16 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A 20 percent chance of snow. Mostly cloudy, with a high near 23. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 23 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 9. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 9 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 18. Calm wind.
Thursday
Partly sunny, with a high near 40. Calm wind.
Thursday Night
Mostly cloudy, with a low around 22. Calm wind.
Friday
A slight chance of snow before 3pm, then a slight chance of rain and snow. Mostly cloudy, with a high near 42. Calm wind becoming north around 5 mph. Chance of precipitation is 20%.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 16. North wind around 5 mph, with gusts as high as 20 mph.
Saturday
A 20 percent chance of snow. Mostly cloudy, with a high near 23. North wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 9. North wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 30.
Sunday Night
Partly cloudy, with a low around 11.
Monday
Mostly sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Partly sunny, with a high near 45.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 24.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 47. Chance of precipitation is 30%.
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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:
12:31 pm EST Jan 28, 2026
Forecast Valid:
6pm EST Jan 28, 2026-6pm EST Feb 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation