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, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

67°F

19°C

Humidity 71%
Wind Speed SW 8 mph
Barometer 30.07 in (1017.6 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 25 Dec 3:53 pm EST
Extended Forecast for

5 Miles SW Walland TN

  • Tonight

    Tonight: A slight chance of showers between 8pm and 10pm.  Mostly cloudy, with a low around 58. Southwest wind around 5 mph.  Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 69. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 69 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am.  Mostly cloudy, with a low around 58. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming west around 5 mph.

    High: 70 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. Calm wind becoming south around 5 mph after midnight.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers.  Mostly cloudy, with a high near 70. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 70 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after 1am.  Mostly cloudy, with a low around 47. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%.

    Low: 47 °F

    Chance
    Showers then
    Showers
    Likely and
    Breezy

  • Monday

    Monday: Showers likely, mainly before 1pm.  Mostly cloudy, with a high near 57. Breezy.  Chance of precipitation is 70%.

    High: 57 °F

    Showers
    Likely and
    Breezy

  • Monday Night

    Monday Night: A chance of flurries before 7pm.  Partly cloudy, with a low around 22.

    Low: 22 °F

    Chance
    Flurries

Detailed Forecast

Tonight
A slight chance of showers between 8pm and 10pm. Mostly cloudy, with a low around 58. Southwest wind around 5 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 69. 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 15 mph, with gusts as high as 20 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming west around 5 mph.
Saturday Night
Partly cloudy, with a low around 56. Calm wind becoming south around 5 mph after midnight.
Sunday
A 20 percent chance of showers. Mostly cloudy, with a high near 70. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 47. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Monday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 57. Breezy. Chance of precipitation is 70%.
Monday Night
A chance of flurries before 7pm. Partly cloudy, with a low around 22.
Tuesday
Sunny, with a high near 35.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Sunny, with a high near 43.
Wednesday Night
Mostly clear, with a low around 26.
New Year's Day
Sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Walland TN
 35.69°N 83.89°W (Elev. 1864 ft)
12:31 pm EST Dec 25, 2025
4pm EST Dec 25, 2025-6pm EST Jan 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database