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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Overcast

39°F

4°C

Humidity 93%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 7 Dec 9:35 pm EST
Extended Forecast for

4 Miles NNE Watts Bar Dam TN

  • Tonight

    Tonight: A chance of showers between 2am and 3am. Cloudy, with a low around 38. Calm wind. Chance of precipitation is 30%.

    Low: 38 °F

    Cloudy then
    Chance
    Showers

  • Monday

    Monday: Mostly cloudy, with a high near 47. Calm wind becoming north around 5 mph in the afternoon.

    High: 47 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36. South wind around 5 mph.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 55. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 55 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34. Southwest wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 49.

    High: 49 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain

Detailed Forecast

Tonight
A chance of showers between 2am and 3am. Cloudy, with a low around 38. Calm wind. Chance of precipitation is 30%.
Monday
Mostly cloudy, with a high near 47. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 27. Calm wind.
Tuesday
Mostly sunny, with a high near 50. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 36. South wind around 5 mph.
Wednesday
Partly sunny, with a high near 55. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 34. Southwest wind around 5 mph becoming calm in the evening.
Thursday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 49.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 32.
Friday
A 20 percent chance of rain before 1pm. Partly sunny, with a high near 46.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
Mostly sunny, with a high near 34.
Saturday Night
Mostly clear, with a low around 17.
Sunday
Sunny, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Watts Bar Dam TN
 35.65°N 84.78°W (Elev. 741 ft)
Last Update:
6:06 pm EST Dec 7, 2025
Forecast Valid:
10pm EST Dec 7, 2025-6pm EST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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