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.

32°F

0°C

Humidity	92%
Wind Speed	N 0 MPH
Barometer	29.55 in (1000.68 mb)
Dewpoint	30°F (-1°C)
Visibility	NA
Last update	25 Dec 03:55 AM PST

More Information:

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

Extended Forecast for

8 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

Overnight
Low: 20 °F
Chance Snow
Christmas Day
High: 26 °F
Snow Likely
and Breezy
Thursday Night
Low: 19 °F
Chance Snow
then Snow
Friday
High: 20 °F
Heavy Snow
and Breezy
Friday Night
Low: 13 °F
Snow and
Windy
Saturday
High: 15 °F
Snow Likely
and Breezy
then Chance
Snow
Saturday Night
Low: 10 °F
Mostly Cloudy
Sunday
High: 23 °F
Mostly Sunny
Sunday Night
Low: 18 °F
Partly Cloudy

Detailed Forecast

Overnight

A 30 percent chance of snow. Mostly cloudy, with a low around 20. South wind around 20 mph, with gusts as high as 34 mph.

Christmas Day

Snow likely, mainly between 7am and 1pm. Mostly cloudy, with a high near 26. Breezy, with a southwest wind 23 to 26 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Thursday Night

Snow, mainly after 1am. Low around 19. South wind 18 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Friday

Snow. The snow could be heavy at times. High near 20. Wind chill values as low as -1. Breezy, with a southwest wind 23 to 25 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

Friday Night

Snow. Low around 13. Windy, with a west wind around 31 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Saturday

Snow likely, mainly before 10am. Mostly cloudy, with a high near 15. Breezy. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Saturday Night

Mostly cloudy, with a low around 10.

Sunday

Mostly sunny, with a high near 23.

Sunday Night

Partly cloudy, with a low around 18.

Monday

Mostly sunny, with a high near 29.

Monday Night

Mostly cloudy, with a low around 23.

Tuesday

Mostly sunny, with a high near 34.