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

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Overcast

68°F

20°C

Humidity 78%
Wind Speed W 5 mph
Barometer 30.10 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 25 Dec 12:55 pm EST
Extended Forecast for

3 Miles SE Mascot TN

  • Christmas Day

    Christmas Day: Mostly cloudy, with a high near 70. West wind 5 to 10 mph.

    High: 70 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 58. Calm wind becoming southwest around 5 mph.

    Low: 58 °F

    Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 70. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 70 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 58. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 72. Calm wind.

    High: 72 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 71. Light south wind becoming southwest 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 47. Chance of precipitation is 70%.

    Low: 47 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.

    High: 58 °F

    Showers
    Likely

Detailed Forecast

Christmas Day
Mostly cloudy, with a high near 70. West wind 5 to 10 mph.
Tonight
Cloudy, with a low around 58. Calm wind becoming southwest around 5 mph.
Friday
Mostly cloudy, with a high near 70. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 58. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 72. Calm wind.
Saturday Night
Mostly cloudy, with a low around 53. Calm wind.
Sunday
Mostly cloudy, with a high near 71. Light south wind becoming southwest 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 47. Chance of precipitation is 70%.
Monday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
Sunny, with a high near 37.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Mostly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Mascot TN
 36.04°N 83.74°W (Elev. 902 ft)
Last Update:
12:31 pm EST Dec 25, 2025
Forecast Valid:
1pm EST Dec 25, 2025-6pm EST Dec 31, 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