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

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.

Overcast

60°F

16°C

Humidity 93%
Wind Speed Calm
Barometer 30.07 in (1017.7 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 26 Dec 12:53 am EST
Extended Forecast for

Chattanooga TN

  • Overnight

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

    Low: 56 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 69. South wind 5 to 10 mph.

    High: 69 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Cloudy, then gradually becoming partly cloudy, with a low around 58. Southwest wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 74. Calm wind becoming southwest around 5 mph.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 60. Calm wind becoming south around 5 mph.

    Low: 60 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 73. South wind 5 to 10 mph.

    High: 73 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers, mainly after 1am. Low around 47. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Low: 47 °F

    Slight Chance
    Showers then
    Showers

  • Monday

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

    High: 60 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 56. Calm wind.
Friday
Mostly cloudy, with a high near 69. South wind 5 to 10 mph.
Friday Night
Cloudy, then gradually becoming partly cloudy, with a low around 58. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 74. Calm wind becoming southwest around 5 mph.
Saturday Night
Mostly cloudy, with a low around 60. Calm wind becoming south around 5 mph.
Sunday
Mostly cloudy, with a high near 73. South wind 5 to 10 mph.
Sunday Night
Showers, mainly after 1am. Low around 47. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Monday
Showers likely, mainly before 1pm. Partly sunny, with a high near 60. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Sunny, with a high near 39.
Tuesday Night
Mostly clear, with a low around 23.
Wednesday
Sunny, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 27.
New Year's Day
Mostly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chattanooga TN
 35.05°N 85.24°W (Elev. 833 ft)
Last Update:
12:31 am EST Dec 26, 2025
Forecast Valid:
1am EST Dec 26, 2025-6pm EST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation