National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Fair

43°F

6°C

Humidity 66%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 1 Jan 6:35 pm EST
Extended Forecast for

Watts Bar Dam TN

  • Tonight

    Tonight: Increasing clouds, with a low around 35. Calm wind.

    Low: 35 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, with a high near 57. Calm wind.

    High: 57 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Showers, mainly after 7pm. Low around 43. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Showers

  • Saturday

    Saturday: A 50 percent chance of showers. Mostly cloudy, with a high near 53. Calm wind.

    High: 53 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 52. Calm wind.

    High: 52 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 35. Calm wind.
Friday
Mostly cloudy, with a high near 57. Calm wind.
Friday Night
Showers, mainly after 7pm. Low around 43. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 53. Calm wind.
Saturday Night
Partly cloudy, with a low around 33. Calm wind.
Sunday
Sunny, with a high near 52. Calm wind.
Sunday Night
Mostly cloudy, with a low around 32. Calm wind.
Monday
Mostly sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Partly sunny, with a high near 62.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 48.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 65.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 47.
Thursday
A 20 percent chance of showers. Mostly cloudy, with a high near 65.
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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 Jan 1, 2026
Forecast Valid:
6pm EST Jan 1, 2026-6pm EST Jan 8, 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