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

63°F

17°C

Humidity 88%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 25 Dec 7:15 pm EST
Extended Forecast for

7 Miles ENE Decatur TN

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °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 20 percent chance of showers before 1am.  Mostly cloudy, with a low around 57. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 57 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 73. Calm wind becoming south around 5 mph.

    High: 73 °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: 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

  • Sunday Night

    Sunday Night: Showers likely, mainly after 1am.  Mostly cloudy, with a low around 45. South wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%.

    Low: 45 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 1pm.  Mostly cloudy, with a high near 58. Chance of precipitation is 60%.

    High: 58 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 56. 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 20 percent chance of showers before 1am. Mostly cloudy, with a low around 57. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 73. Calm wind becoming south around 5 mph.
Saturday Night
Mostly cloudy, with a low around 55. Calm wind.
Sunday
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 likely, mainly after 1am. Mostly cloudy, with a low around 45. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Monday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Sunny, with a high near 39.
Tuesday Night
Mostly clear, with a low around 19.
Wednesday
Mostly sunny, with a high near 45.
Wednesday Night
Mostly clear, with a low around 22.
New Year's Day
Sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ENE Decatur TN
 35.56°N 84.67°W (Elev. 899 ft)
6:06 pm EST Dec 25, 2025
7pm EST Dec 25, 2025-6pm EST Jan 1, 2026
 
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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