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

Current conditions at

WAWONA (WWNC1)

Lat: 37.53447°NLon: 119.64497°WElev: 4309.0ft.

41°F

5°C

Humidity	94%
Wind Speed	SSE 4 MPH
Barometer	NA
Dewpoint	39°F (4°C)
Visibility	NA
Wind Chill	38°F (3°C)
Last update	25 Dec 09:51 AM PST

More Information:

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

Extended Forecast for

13 Miles SSW Yosemite Valley CA

Flood Watch December 25, 10:43am until December 26, 04:00pm

Winter Storm Warning December 25, 10:43am until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Winter Storm Warning

Flood Watch December 25, 10:43am until December 26, 04:00pm
Winter Storm Warning December 25, 10:43am until December 26, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Christmas Day
High: 44 °F
Showers
Tonight
Low: 36 °F
Heavy Rain
Friday
High: 44 °F
Rain/Snow
then Showers
Friday Night
Low: 28 °F
Rain/Snow
Likely then
Chance
Rain/Snow
Saturday
High: 46 °F
Slight Chance
Rain/Snow
then Slight
Chance Rain
Saturday Night
Low: 29 °F
Mostly Clear
Sunday
High: 51 °F
Sunny
Sunday Night
Low: 33 °F
Clear

Detailed Forecast

Christmas Day

Showers and possibly a thunderstorm. High near 44. Wind chill values as low as 31. South southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Tonight

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 36. South southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Friday

Rain and snow showers, becoming all rain after 10am. Some thunder is also possible. Snow level 5000 feet. High near 44. Wind chill values as low as 30. South wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Friday Night

Rain likely before 10pm, then a chance of rain and snow between 10pm and 4am, then a slight chance of snow after 4am. Snow level 4500 feet. Mostly cloudy, with a low around 28. East southeast wind around 5 mph becoming calm. Chance of precipitation is 60%. Little or no snow accumulation expected.

Saturday

A slight chance of snow before 10am, then a slight chance of rain. Snow level rising to 4800 feet in the afternoon. Mostly sunny, with a high near 46. Calm wind. Chance of precipitation is 20%.

Saturday Night

Mostly clear, with a low around 29. East northeast wind around 5 mph.

Sunday

Sunny, with a high near 51. East northeast wind around 5 mph becoming calm in the morning.

Sunday Night

Clear, with a low around 33. East northeast wind around 5 mph.

Monday

Sunny, with a high near 57. East northeast wind around 5 mph becoming calm in the morning.

Monday Night

Clear, with a low around 39. East northeast wind around 5 mph.

Tuesday

Sunny, with a high near 62. East northeast wind around 5 mph becoming calm in the morning.