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.

43°F

6°C

Humidity	97%
Wind Speed	ENE 5 MPH
Barometer	NA
Dewpoint	42°F (6°C)
Visibility	NA
Wind Chill	40°F (4°C)
Last update	24 Dec 09:51 AM PST

More Information:

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

Extended Forecast for

12 Miles SW Yosemite Valley CA

Flood Watch December 24, 10:10am until December 26, 04:00pm

Wind Advisory December 24, 10:10am until December 25, 04:00pm

Click here for hazard details and duration

Flood Watch

Wind Advisory

Flood Watch December 24, 10:10am until December 26, 04:00pm
Wind Advisory December 24, 10:10am until December 25, 04:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Today
High: 50 °F
Showers
Tonight
Low: 44 °F
Heavy Rain
and Breezy
Christmas Day
High: 45 °F
Rain/Snow and
Breezy
Thursday Night
Low: 33 °F
Showers and
Breezy
Friday
High: 39 °F
Snow Showers
Friday Night
Low: 30 °F
Snow Likely
then Chance
Snow
Saturday
High: 41 °F
Chance Snow
Saturday Night
Low: 31 °F
Mostly Clear

Detailed Forecast

Today

Showers and possibly a thunderstorm. High near 50. South southeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Tonight

Showers and possibly a thunderstorm before 4am, then rain after 4am. Some of the storms could produce heavy rainfall. Steady temperature around 44. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Christmas Day

Rain showers before 10am, then rain and snow showers between 10am and 1pm, then rain showers after 1pm. The rain could be heavy at times. Some thunder is also possible. Snow level 6100 feet. High near 45. Wind chill values as low as 26. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Thursday Night

Showers and possibly a thunderstorm. Snow level 5900 feet. Low around 33. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Friday

Snow showers before 1pm, then snow, mainly after 1pm. Some thunder is also possible. High near 39. South wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Friday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 30. East southeast wind around 5 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Saturday

A 30 percent chance of snow. Mostly sunny, with a high near 41. East northeast wind around 5 mph becoming calm. Little or no snow accumulation expected.

Saturday Night

Mostly clear, with a low around 31. East northeast wind 5 to 10 mph.

Sunday

Sunny, with a high near 46. East northeast wind around 5 mph becoming west in the afternoon.

Sunday Night

Mostly clear, with a low around 36. East northeast wind around 10 mph.

Monday

Sunny, with a high near 51. East northeast wind around 5 mph.

Monday Night

Mostly clear, with a low around 41. East northeast wind around 5 mph.

Tuesday

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