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	93%
Wind Speed	SSE 7 MPH
Barometer	NA
Dewpoint	39°F (4°C)
Visibility	NA
Wind Chill	36°F (2°C)
Last update	25 Dec 11:51 AM PST

More Information:

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

Extended Forecast for

14 Miles S Yosemite Valley CA

Flood Watch December 25, 12:45pm until December 26, 04:00pm

Winter Storm Warning December 25, 12:45pm until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Winter Storm Warning

Flood Watch December 25, 12:45pm until December 26, 04:00pm
Winter Storm Warning December 25, 12:45pm until December 26, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Christmas Day
High: 43 °F
Showers
Tonight
Low: 35 °F
Heavy Rain
Friday
High: 38 °F
Showers
Friday Night
Low: 27 °F
Rain/Snow
Likely then
Chance
Rain/Snow
Saturday
High: 46 °F
Slight Chance
Snow then
Sunny
Saturday Night
Low: 28 °F
Mostly Clear
Sunday
High: 50 °F
Sunny
Sunday Night
Low: 33 °F
Clear

Detailed Forecast

Christmas Day

Showers and possibly a thunderstorm. High near 43. South southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 35. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Friday

Showers and possibly a thunderstorm before 4pm, then rain likely and possibly a thunderstorm after 4pm. Snow level 5000 feet. Steady temperature around 38. Wind chill values as low as 30. South southeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Friday Night

Rain and snow likely, mainly before 10pm. Snow level 4400 feet. Mostly cloudy, with a low around 27. Calm wind. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Saturday

A 20 percent chance of snow before 10am. Snow level rising to 5000 feet in the afternoon. Sunny, with a high near 46. Calm wind.

Saturday Night

Mostly clear, with a low around 28. Northeast wind around 5 mph.

Sunday

Sunny, with a high near 50. Calm wind.

Sunday Night

Clear, with a low around 33. Northeast wind around 5 mph.

Monday

Sunny, with a high near 55. East northeast wind around 5 mph becoming calm.

Monday Night

Mostly clear, with a low around 38. East northeast wind around 5 mph.