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

65°F

18°C

Humidity	73%
Wind Speed	W 3 mph
Barometer	30.24 in (1023.3 mb)
Dewpoint	56°F (13°C)
Visibility	10.00 mi
Last update	24 Dec 5:53 pm EST

More Information:

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

Extended Forecast for

Townsend TN

Tonight
Low: 54 °F
Mostly Cloudy
then Slight
Chance
Showers
Christmas Day
High: 70 °F
Chance
Showers and
Patchy Fog
Thursday Night
Low: 56 °F
Chance
Showers and
Patchy Fog
Friday
High: 73 °F
Chance
Showers
Friday Night
Low: 58 °F
Showers
Likely and
Patchy Fog
Saturday
High: 74 °F
Partly Sunny
Saturday Night
Low: 54 °F
Mostly Cloudy
Sunday
High: 73 °F
Mostly Cloudy
then Chance
Showers
Sunday Night
Low: 36 °F
Showers

Detailed Forecast

Tonight

A chance of sprinkles before 3am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 54. Calm wind becoming southwest around 5 mph. Chance of precipitation is 20%.

Christmas Day

A chance of sprinkles with a slight chance of showers before 11am, then a chance of showers after noon. Patchy fog between 8am and 10am. Otherwise, mostly cloudy, with a high near 70. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.

Thursday Night

A 40 percent chance of showers, mainly before 1am. Patchy fog between 11pm and 4am. Otherwise, mostly cloudy, with a low around 56. Southwest wind around 5 mph becoming calm.

Friday

A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 73. South wind 5 to 10 mph, with gusts as high as 20 mph.

Friday Night

Showers likely, mainly before 1am. Patchy fog between midnight and 3am. Otherwise, mostly cloudy, with a low around 58. Southwest wind around 5 mph. Chance of precipitation is 60%.

Saturday

Partly sunny, with a high near 74. Calm wind becoming west around 5 mph in the afternoon.

Saturday Night

Mostly cloudy, with a low around 54. Calm wind becoming south around 5 mph.

Sunday

A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 73.

Sunday Night

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

Monday

A 40 percent chance of showers before 1pm. Mostly sunny, with a high near 49.

Monday Night

A chance of flurries. Mostly cloudy, with a low around 19.