Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

58°F

14°C

Humidity	81%
Wind Speed	S 7 mph
Barometer	30.25 in (1024.0 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	24 Dec 4:53 am EST

More Information:

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

Extended Forecast for

7 Miles NE Tallassee TN

Overnight
Low: 55 °F
Chance
Showers
Wednesday
High: 66 °F
Chance
Showers then
Partly Sunny
Wednesday Night
Low: 56 °F
Mostly Cloudy
then Slight
Chance
Showers
Christmas Day
High: 64 °F
Chance
Showers
Thursday Night
Low: 57 °F
Chance
Showers
Friday
High: 67 °F
Chance
Showers
Friday Night
Low: 59 °F
Showers
Likely
Saturday
High: 70 °F
Partly Sunny
Saturday Night
Low: 57 °F
Mostly Cloudy
then Slight
Chance
Showers

Detailed Forecast

Overnight

A 40 percent chance of showers. Cloudy, with a low around 55. Calm wind.

Wednesday

A 40 percent chance of showers, mainly before 9am. Mostly cloudy, with a high near 66. Calm wind.

Wednesday Night

A slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 56. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 20%.

Christmas Day

A 40 percent chance of showers after 7am. Mostly cloudy, with a high near 64. Southwest wind around 5 mph.

Thursday Night

A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 57. Southwest wind around 5 mph becoming calm.

Friday

A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 67. South wind 5 to 10 mph, with gusts as high as 20 mph.

Friday Night

Showers likely, mainly before 1am. Mostly cloudy, with a low around 59. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

Saturday

Partly sunny, with a high near 70.

Saturday Night

A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 57.

Sunday

Showers likely, mainly after 1pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.

Sunday Night

Showers likely. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.

Monday

Mostly sunny, with a high near 35.

Monday Night

Partly cloudy, with a low around 17.