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

4 Miles NNW Mount Bachelor 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: 31 °F
Chance Snow
Tonight
Low: 24 °F
Heavy Snow
Friday
High: 28 °F
Heavy Snow
Friday Night
Low: 18 °F
Snow and
Breezy
Saturday
High: 23 °F
Snow Likely
then Chance
Snow
Saturday Night
Low: 14 °F
Mostly Cloudy
Sunday
High: 31 °F
Mostly Sunny
Sunday Night
Low: 19 °F
Partly Cloudy
Monday
High: 36 °F
Mostly Sunny

Detailed Forecast

Christmas Day

A 30 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 31. Southwest wind around 14 mph, with gusts as high as 24 mph.

Tonight

Snow, mainly after 10pm. The snow could be heavy at times. Low around 24. South wind around 10 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

Friday

Snow, mainly after 1pm. The snow could be heavy at times. High near 28. West wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.

Friday Night

Snow. Low around 18. Breezy, with a west wind 20 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Saturday

Snow likely, mainly before 10am. Partly sunny, with a high near 23. West wind 7 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Saturday Night

Mostly cloudy, with a low around 14.

Sunday

Mostly sunny, with a high near 31.

Sunday Night

Partly cloudy, with a low around 19.

Monday

Mostly sunny, with a high near 36.

Monday Night

Partly cloudy, with a low around 25.

Tuesday

Partly sunny, with a high near 41.