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

50°F

10°C

Humidity 43%
Wind Speed Calm
Barometer 30.24 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 14 Feb 10:55 am EST
Extended Forecast for

Watts Bar Dam TN

  • Today

    Today: Mostly cloudy, with a high near 60. Calm wind becoming southwest around 5 mph.

    High: 60 °F

    Mostly Cloudy

  • Tonight

    Tonight: Rain, mainly after 11pm. Low around 43. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Slight Chance
    Rain then
    Rain

  • Sunday

    Sunday: Rain. High near 54. Calm wind becoming east around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 54 °F

    Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 45. North wind around 5 mph becoming calm.

    Low: 45 °F

    Slight Chance
    Rain

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 65. Calm wind.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 66. Calm wind becoming south around 5 mph in the afternoon.

    High: 66 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 70.

    High: 70 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 60. Calm wind becoming southwest around 5 mph.
Tonight
Rain, mainly after 11pm. Low around 43. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain. High near 54. Calm wind becoming east around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 45. North wind around 5 mph becoming calm.
Washington's Birthday
Mostly sunny, with a high near 65. Calm wind.
Monday Night
Partly cloudy, with a low around 43. Calm wind.
Tuesday
Partly sunny, with a high near 66. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 51.
Wednesday
Mostly cloudy, with a high near 70.
Wednesday Night
Mostly cloudy, with a low around 53.
Thursday
Mostly cloudy, with a high near 71.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 54.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 69.
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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 14, 2026
Forecast Valid:
11am EST Feb 14, 2026-6pm EST Feb 20, 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