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	29.59 in (1002.03 mb)
Dewpoint	30°F (-1°C)
Visibility	NA
Last update	26 Dec 12:55 AM PST

More Information:

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

Extended Forecast for

7 Miles N 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: 18 °F
Snow
Friday
High: 21 °F
Heavy Snow
Friday Night
Low: 11 °F
Heavy Snow
and Breezy
Saturday
High: 15 °F
Snow then
Chance Snow
Saturday Night
Low: 8 °F
Slight Chance
Snow then
Mostly Cloudy
Sunday
High: 24 °F
Mostly Sunny
Sunday Night
Low: 15 °F
Partly Cloudy
Monday
High: 28 °F
Mostly Sunny
Monday Night
Low: 20 °F
Mostly Cloudy

Detailed Forecast

Overnight

Snow. Low around 18. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 3 to 5 inches possible.

Friday

Snow. The snow could be heavy at times. High near 21. Southwest wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.

Friday Night

Snow. The snow could be heavy at times. Low around 11. Wind chill values as low as -6. Breezy, with a west wind around 26 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

Saturday

Snow, mainly before 10am. High near 15. Wind chill values as low as -8. West wind 13 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Saturday Night

A 20 percent chance of snow before 10pm. Mostly cloudy, with a low around 8. West wind around 6 mph.

Sunday

Mostly sunny, with a high near 24.

Sunday Night

Partly cloudy, with a low around 15.

Monday

Mostly sunny, with a high near 28.

Monday Night

Mostly cloudy, with a low around 20.

Tuesday

Partly sunny, with a high near 32.