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

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

A Few Clouds

50°F

10°C

Humidity 66%
Wind Speed Calm
Barometer 30.00 in (1016.3 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 7 Dec 3:53 pm EST
Extended Forecast for

3 Miles WSW Chattanooga TN

  • Tonight

    Tonight: A 40 percent chance of showers, mainly before 3am. Cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 50. Light northwest wind becoming north 5 to 10 mph in the morning.

    High: 50 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. North wind around 5 mph becoming calm in the evening.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. Calm wind becoming south around 5 mph in the afternoon.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37. South wind around 5 mph.

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 57 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37. Southwest wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers. Partly sunny, with a high near 53.

    High: 53 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

Detailed Forecast

Tonight
A 40 percent chance of showers, mainly before 3am. Cloudy, with a low around 42. Calm wind.
Monday
Partly sunny, with a high near 50. Light northwest wind becoming north 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 30. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 53. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 37. South wind around 5 mph.
Wednesday
Mostly sunny, with a high near 57. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 37. Southwest wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 53.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Sunny, with a high near 37.
Saturday Night
Mostly clear, with a low around 21.
Sunday
Sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Chattanooga TN
 35.05°N 85.3°W (Elev. 633 ft)
Last Update:
1:46 pm EST Dec 7, 2025
Forecast Valid:
4pm EST Dec 7, 2025-6pm EST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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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