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 54%
Wind Speed S 7 mph
Barometer 30.10 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 3 Feb 2:35 pm EST
Extended Forecast for

Watts Bar Dam TN

  • This Afternoon

    This Afternoon: Showers, mainly after 3pm. High near 48. South wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Showers

  • 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.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

Detailed Forecast

This Afternoon
Showers, mainly after 3pm. High near 48. South wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
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.
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.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Watts Bar Dam TN
 35.63°N 84.78°W (Elev. 741 ft)
Last Update:
2:06 pm EST Feb 3, 2026
Forecast Valid:
2pm EST Feb 3, 2026-6pm EST Feb 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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