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

Wind Advisory until December 25, 10:00 PM PST

Current conditions at

SIARD (SIAN2)

Lat: 40.39433°NLon: 117.62567°WElev: 4600.0ft.

51°F

11°C

Humidity	54%
Wind Speed	SSW 25 MPH
Barometer	NA
Dewpoint	35°F (2°C)
Visibility	NA
Last update	25 Dec 03:38 PM PST

More Information:

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

Extended Forecast for

29 Miles SSE Unionville NV

Wind Advisory December 25, 04:37pm until December 25, 10:00pm

Click here for hazard details and duration

Wind Advisory

Wind Advisory December 25, 04:37pm until December 25, 10:00pm
NOW until 10:00pm Thu
Wind Advisory
Christmas Day
High: 44 °F
Rain/Snow
Likely and
Breezy
Tonight
Low: 33 °F
Breezy.
Rain/Snow
Likely then
Snow Likely
Friday
High: 39 °F
Snow Likely
Friday Night
Low: 29 °F
Partly Cloudy
Saturday
High: 34 °F
Mostly Sunny
Saturday Night
Low: 23 °F
Mostly Clear
Sunday
High: 32 °F
Sunny
Sunday Night
Low: 22 °F
Mostly Clear

Detailed Forecast

Christmas Day

Rain and snow likely. Snow level 6600 feet. Mostly cloudy, with a high near 44. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Tonight

Rain and snow likely, becoming all snow after 7pm. Mostly cloudy, with a low around 33. Breezy, with a south wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Friday

Snow likely, mainly before 7am. Partly sunny, with a high near 39. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Friday Night

Partly cloudy, with a low around 29. West wind around 10 mph.

Saturday

Mostly sunny, with a high near 34. West wind around 10 mph.

Saturday Night

Mostly clear, with a low around 23. North wind around 10 mph.

Sunday

Sunny, with a high near 32.

Sunday Night

Mostly clear, with a low around 22.

Monday

Sunny, with a high near 35.