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, 04:00 PM PST

Current conditions at

EMIGRANT (EMFO3)

Lat: 43.48306°NLon: 122.23028°WElev: 3773.0ft.

45°F

7°C

Humidity	77%
Wind Speed	S 2 MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Last update	24 Dec 03:53 PM PST

More Information:

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

Extended Forecast for

4 Miles NNE Cascade Summit OR

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

Click here for hazard details and duration

Winter Weather Advisory

This Afternoon
High: 32 °F
Slight Chance
Snow Showers
Tonight
Low: 30 °F
Partly Cloudy
then Chance
Snow
Christmas Day
High: 34 °F
Snow Likely
and Breezy
Thursday Night
Low: 25 °F
Snow
Friday
High: 30 °F
Snow Showers
Friday Night
Low: 20 °F
Snow Showers
Saturday
High: 26 °F
Chance Snow
Showers
Saturday Night
Low: 16 °F
Mostly Cloudy
Sunday
High: 34 °F
Partly Sunny

Detailed Forecast

This Afternoon

A 20 percent chance of snow showers after 5pm. Mostly sunny, with a steady temperature around 32. Southeast wind around 5 mph.

Tonight

A 50 percent chance of snow after midnight. Mostly cloudy, with a steady temperature around 30. Southeast wind 8 to 13 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.

Christmas Day

Snow likely, mainly before 5pm. Mostly cloudy, with a high near 34. Breezy, with a south wind 9 to 15 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Thursday Night

Snow, mainly after 10pm. Low around 25. South southeast wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Friday

Snow showers. High near 30. West southwest wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Friday Night

Snow showers. Low around 20. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Saturday

A 50 percent chance of snow showers. Mostly cloudy, with a high near 26. New snow accumulation of less than a half inch possible.

Saturday Night

Mostly cloudy, with a low around 16.

Sunday

Partly sunny, with a high near 34.

Sunday Night

Partly cloudy, with a low around 21.

Monday

Mostly sunny, with a high near 39.