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

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Mostly Cloudy

61°F

16°C

Humidity 87%
Wind Speed SE 3 mph
Barometer 30.24 in (1023.7 mb)
Dewpoint 57°F (14°C)
Visibility 9.00 mi
Last update 24 Dec 8:53 pm EST
Extended Forecast for

South Pittsburg TN

  • Tonight

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

    Low: 56 °F

    Mostly Cloudy

  • Christmas Day

    Christmas Day: Mostly cloudy, with a high near 70. Calm wind becoming southwest around 5 mph.

    High: 70 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of sprinkles before midnight.  Mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Chance
    Sprinkles

  • Friday

    Friday: A chance of sprinkles after noon.  Mostly cloudy, with a high near 70. Calm wind becoming southwest around 5 mph in the morning.

    High: 70 °F

    Chance
    Sprinkles

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before midnight.  Patchy fog before 2am, then patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 59 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 72. Calm wind becoming southwest around 5 mph.

    High: 72 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after noon.  Mostly cloudy, with a high near 70.

    High: 70 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely.  Mostly cloudy, with a low around 35. Chance of precipitation is 70%.

    Low: 35 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 56. Calm wind.
Christmas Day
Mostly cloudy, with a high near 70. Calm wind becoming southwest around 5 mph.
Thursday Night
A chance of sprinkles before midnight. Mostly cloudy, with a low around 56. Calm wind.
Friday
A chance of sprinkles after noon. Mostly cloudy, with a high near 70. Calm wind becoming southwest around 5 mph in the morning.
Friday Night
A 30 percent chance of showers, mainly before midnight. Patchy fog before 2am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 72. Calm wind becoming southwest around 5 mph.
Saturday Night
Mostly cloudy, with a low around 58. Calm wind.
Sunday
A 20 percent chance of showers after noon. Mostly cloudy, with a high near 70.
Sunday Night
Showers likely. Mostly cloudy, with a low around 35. Chance of precipitation is 70%.
Monday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 43.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Sunny, with a high near 36.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
South Pittsburg TN
 35.01°N 85.72°W (Elev. 689 ft)
5:06 pm CST Dec 24, 2025
8pm CST Dec 24, 2025-6pm CST Dec 31, 2025
 
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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