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

46°F

8°C

Humidity 100%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 46°F (8°C)
Visibility 6.00 mi
Last update 21 Feb 6:35 am EST
Extended Forecast for

Watts Bar Dam TN

  • Today

    Today: A 30 percent chance of showers before 7am. Mostly cloudy, with a high near 63. Calm wind.

    High: 63 °F

    Chance
    Showers then
    Partly Sunny

  • Tonight

    Tonight: A 40 percent chance of showers, mainly between 8pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 31. North wind around 5 mph.

    Low: 31 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 41. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 41 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of sprinkles and flurries before 8pm, then a chance of flurries. Mostly cloudy, with a low around 22. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 22 °F

    Chance
    Sprinkles/Flurries
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 37. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 37 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy

Detailed Forecast

Today
A 30 percent chance of showers before 7am. Mostly cloudy, with a high near 63. Calm wind.
Tonight
A 40 percent chance of showers, mainly between 8pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 31. North wind around 5 mph.
Sunday
Sunny, with a high near 41. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A chance of sprinkles and flurries before 8pm, then a chance of flurries. Mostly cloudy, with a low around 22. Northwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 37. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 18. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 48. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly cloudy, with a high near 60.
Wednesday Night
A 50 percent chance of showers. Cloudy, with a low around 47.
Thursday
Showers likely. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of showers. Partly cloudy, with a low around 36.
Friday
A 20 percent chance of showers. 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 am EST Feb 21, 2026
Forecast Valid:
6am EST Feb 21, 2026-6pm EST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation