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	29.61 in (1002.71 mb)
Dewpoint	30°F (-1°C)
Visibility	NA
Last update	25 Dec 11:55 PM PST

More Information:

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

Extended Forecast for

12 Miles WSW Sisters 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: 25 °F
Heavy Snow
Friday
High: 29 °F
Heavy Snow
Friday Night
Low: 20 °F
Heavy Snow
and Breezy
Saturday
High: 23 °F
Snow Likely
then Chance
Snow
Saturday Night
Low: 15 °F
Slight Chance
Snow then
Mostly Cloudy
Sunday
High: 31 °F
Mostly Sunny
Sunday Night
Low: 21 °F
Mostly Cloudy
Monday
High: 35 °F
Mostly Sunny
Monday Night
Low: 26 °F
Mostly Cloudy

Detailed Forecast

Overnight

Snow. The snow could be heavy at times. Low around 25. Southwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 2 to 4 inches possible.

Friday

Snow, mainly after 1pm. The snow could be heavy at times. High near 29. West wind 16 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

Friday Night

Snow. The snow could be heavy at times. Low around 20. Breezy, with a west wind around 26 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

Saturday

Snow likely, mainly before 10am. Mostly cloudy, with a high near 23. West wind 11 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. 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 15. Southwest wind 3 to 6 mph.

Sunday

Mostly sunny, with a high near 31.

Sunday Night

Mostly cloudy, with a low around 21.

Monday

Mostly sunny, with a high near 35.

Monday Night

Mostly cloudy, with a low around 26.

Tuesday

Partly sunny, with a high near 41.