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 >

Hazardous Weather Conditions

Winter Weather Advisory in effect from December 26, 04:00 AM PST until December 27, 07:00 AM PST

Current conditions at

SISTERS (K6K5)

Lat: 44.30445°NLon: 121.53909°WElev: 3168.0ft.

39°F

4°C

Humidity	93%
Wind Speed	N 0 MPH
Barometer	29.58 in (1001.69 mb)
Dewpoint	37°F (3°C)
Visibility	NA
Last update	25 Dec 12:55 PM PST

More Information:

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

Extended Forecast for

3 Miles S Sisters OR

Winter Weather Advisory December 26, 04:00am until December 27, 07:00am

Click here for hazard details and duration

Winter Weather Advisory

Christmas Day
High: 45 °F
Chance Rain
Tonight
Low: 27 °F
Rain/Snow
Likely
Friday
High: 42 °F
Rain/Snow
Likely
Friday Night
Low: 24 °F
Snow then
Chance Snow
Saturday
High: 36 °F
Chance Snow
then Mostly
Sunny
Saturday Night
Low: 18 °F
Mostly Cloudy
Sunday
High: 39 °F
Mostly Sunny
Sunday Night
Low: 21 °F
Partly Cloudy
Monday
High: 42 °F
Sunny

Detailed Forecast

Christmas Day

A 30 percent chance of rain, mainly after 4pm. Mostly sunny early, then becoming cloudy, with a high near 45. South wind around 8 mph, with gusts as high as 22 mph.

Tonight

Rain and snow likely. Snow level 3600 feet. Mostly cloudy, with a low around 27. Light southeast wind. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Friday

Rain likely, possibly mixed with snow before 7am, then a chance of snow between 7am and 10am, then rain and snow likely after 10am. Snow level 3400 feet. Mostly cloudy, then gradually becoming sunny, with a high near 42. West wind 5 to 9 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Friday Night

Snow, mainly before 10pm. Low around 24. West wind 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Saturday

A 40 percent chance of snow before 10am. Mostly sunny, with a high near 36. West wind around 6 mph.

Saturday Night

Mostly cloudy, with a low around 18.

Sunday

Mostly sunny, with a high near 39.

Sunday Night

Partly cloudy, with a low around 21.

Monday

Sunny, with a high near 42.

Monday Night

Partly cloudy, with a low around 24.