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.

Partly Cloudy

68°F

20°C

Humidity	65%
Wind Speed	Calm
Barometer	30.23 in (1023.0 mb)
Dewpoint	56°F (13°C)
Visibility	10.00 mi
Last update	24 Dec 1:53 pm EST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles SE Maryville TN

This Afternoon
High: 68 °F
Partly Sunny
Tonight
Low: 57 °F
Mostly Cloudy
then Slight
Chance
Showers
Christmas Day
High: 68 °F
Chance
Showers and
Patchy Fog
Thursday Night
Low: 58 °F
Chance
Showers and
Patchy Fog
Friday
High: 70 °F
Chance
Showers
Friday Night
Low: 59 °F
Chance
Showers and
Patchy Fog
Saturday
High: 72 °F
Partly Sunny
Saturday Night
Low: 55 °F
Mostly Cloudy
Sunday
High: 71 °F
Mostly Cloudy
then Chance
Showers

Detailed Forecast

This Afternoon

Partly sunny, with a high near 68. Calm wind.

Tonight

A chance of sprinkles between 4am and 5am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 57. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 10%.

Christmas Day

A chance of sprinkles with a slight chance of showers before 1pm, then a chance of sprinkles between 1pm and 3pm, then a chance of showers after 3pm. Patchy fog between 8am and 10am. Otherwise, mostly cloudy, with a high near 68. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.

Thursday Night

A 30 percent chance of showers, mainly between 7pm and 1am. Patchy fog between 11pm and 4am. Otherwise, mostly cloudy, with a low around 58. Southwest wind around 5 mph.

Friday

A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 70. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

Friday Night

A 50 percent chance of showers, mainly before 1am. Patchy fog between 1am and 3am. Otherwise, mostly cloudy, with a low around 59. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Saturday

Partly sunny, with a high near 72. Southwest wind around 5 mph.

Saturday Night

Mostly cloudy, with a low around 55.

Sunday

A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 71.

Sunday Night

Showers. Low around 36. Chance of precipitation is 80%.

Monday

A 40 percent chance of showers. Partly sunny, with a high near 46.

Monday Night

Mostly cloudy, with a low around 20.