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.

Overcast

60°F

16°C

Humidity 84%
Wind Speed W 7 mph
Barometer 30.19 in (1021.6 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 25 Dec 1:53 am EST
Extended Forecast for

Slickrock Wilderness NC

  • Overnight

    Overnight: Mostly cloudy, with a low around 50. West wind around 9 mph.

    Low: 50 °F

    Mostly Cloudy

  • Christmas Day

    Christmas Day: A 20 percent chance of showers after 3pm.  Mostly cloudy, with a high near 54. West wind around 9 mph, with gusts as high as 21 mph.

    High: 54 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 9pm.  Patchy fog after 1am.  Otherwise, mostly cloudy, with a low around 52. West northwest wind around 8 mph.

    Low: 52 °F

    Slight Chance
    Showers then
    Patchy Fog

  • Friday

    Friday: A 30 percent chance of rain, mainly after 3pm.  Partly sunny, with a high near 56. Southwest wind 9 to 14 mph, with gusts as high as 30 mph.

    High: 56 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 53. Southwest wind 9 to 14 mph, with gusts as high as 31 mph.  Chance of precipitation is 60%.

    Low: 53 °F

    Rain Likely

  • Saturday

    Saturday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain.  Low around 33. Breezy.  Chance of precipitation is 80%.

    Low: 33 °F

    Breezy.
    Chance Rain
    then Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 50. West wind around 9 mph.
Christmas Day
A 20 percent chance of showers after 3pm. Mostly cloudy, with a high near 54. West wind around 9 mph, with gusts as high as 21 mph.
Thursday Night
A 20 percent chance of showers before 9pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 52. West northwest wind around 8 mph.
Friday
A 30 percent chance of rain, mainly after 3pm. Partly sunny, with a high near 56. Southwest wind 9 to 14 mph, with gusts as high as 30 mph.
Friday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 53. Southwest wind 9 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 51.
Sunday
Mostly cloudy, with a high near 57.
Sunday Night
Rain. Low around 33. Breezy. Chance of precipitation is 80%.
Monday
Rain likely, possibly mixing with snow after noon, then gradually ending. Mostly cloudy, with a high near 42. Breezy. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 14. Blustery.
Tuesday
Sunny, with a high near 22.
Tuesday Night
Mostly clear, with a low around 17.
Wednesday
Sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
Slickrock Wilderness NC
 35.38°N 84°W (Elev. 4573 ft)
12:18 am EST Dec 25, 2025
2am EST Dec 25, 2025-6pm EST Dec 31, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database