Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Overcast

57°F

14°C

Humidity 100%
Wind Speed SW 5 mph
Barometer 30.20 in
Dewpoint 57°F (14°C)
Visibility 7.00 mi
Last update 25 Dec 8:15 am EST
Extended Forecast for

Watts Bar Dam TN

  • Christmas Day

    Christmas Day: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 71. Calm wind becoming southwest around 5 mph.

    High: 71 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 70. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 70 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A slight chance of showers before 1am, then a chance of sprinkles after 1am.  Areas of fog between 1am and 3am.  Otherwise, mostly cloudy, with a low around 58. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    Showers and
    Areas Fog

  • Saturday

    Saturday: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 74. Calm wind becoming south around 5 mph.

    High: 74 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm.  Mostly cloudy, with a high near 71. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 71 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly after 1am.  Low around 38. Chance of precipitation is 80%.

    Low: 38 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: A 50 percent chance of showers before 1pm.  Partly sunny, with a high near 52.

    High: 52 °F

    Chance
    Showers

Detailed Forecast

Christmas Day
Patchy fog before 9am. Otherwise, partly sunny, with a high near 71. Calm wind becoming southwest around 5 mph.
Tonight
Mostly cloudy, with a low around 55. Calm wind.
Friday
Mostly cloudy, with a high near 70. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
A slight chance of showers before 1am, then a chance of sprinkles after 1am. Areas of fog between 1am and 3am. Otherwise, mostly cloudy, with a low around 58. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Saturday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 74. Calm wind becoming south around 5 mph.
Saturday Night
Mostly cloudy, with a low around 55. Calm wind.
Sunday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 71. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Showers, mainly after 1am. Low around 38. Chance of precipitation is 80%.
Monday
A 50 percent chance of showers before 1pm. Partly sunny, with a high near 52.
Monday Night
Mostly cloudy, with a low around 18.
Tuesday
Sunny, with a high near 37.
Tuesday Night
Mostly clear, with a low around 18.
Wednesday
Sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Watts Bar Dam TN
 35.63°N 84.78°W (Elev. 741 ft)
6:06 am EST Dec 25, 2025
8am EST Dec 25, 2025-6pm EST Dec 31, 2025
 
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Additional Resources

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