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.

42°F

6°C

Humidity	90%
Wind Speed	S 8 MPH
Barometer	NA
Dewpoint	39°F (4°C)
Visibility	NA
Wind Chill	37°F (3°C)
Last update	24 Dec 10:51 PM PST

More Information:

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

Extended Forecast for

13 Miles SSE Yosemite Valley CA

Flood Watch December 24, 11:41pm until December 26, 04:00pm

Winter Storm Warning December 24, 11:41pm until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Winter Storm Warning

Flood Watch December 24, 11:41pm until December 26, 04:00pm
Winter Storm Warning December 24, 11:41pm until December 26, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 30 °F
Snow Showers
and Breezy
Christmas Day
High: 32 °F
Snow and
Breezy
Thursday Night
Low: 27 °F
Snow Showers
and Breezy
Friday
High: 30 °F
Snow Showers
Friday Night
Low: 21 °F
Snow Likely
then Chance
Snow
Saturday
High: 31 °F
Slight Chance
Snow
Saturday Night
Low: 23 °F
Mostly Clear
Sunday
High: 37 °F
Sunny

Detailed Forecast

Tonight

Snow showers before 4am, then snow after 4am. Some thunder is also possible. Low around 30. Wind chill values as low as 19. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 10 to 16 inches possible.

Christmas Day

Snow before 10am, then snow showers after 10am. Some thunder is also possible. High near 32. Wind chill values as low as 17. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New snow accumulation of 17 to 23 inches possible.

Thursday Night

Snow showers. Some thunder is also possible. Low around 27. Wind chill values as low as 17. Breezy, with a south wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New snow accumulation of 14 to 20 inches possible.

Friday

Snow showers. Some thunder is also possible. High near 30. Wind chill values as low as 16. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

Friday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 21. South southeast wind around 5 mph becoming east northeast after midnight. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Saturday

A 20 percent chance of snow. Mostly sunny and cold, with a high near 31. North northeast wind around 5 mph becoming calm.

Saturday Night

Mostly clear, with a low around 23. Northeast wind 5 to 10 mph.

Sunday

Sunny, with a high near 37. Northeast wind around 5 mph becoming calm in the afternoon.

Sunday Night

Clear, with a low around 29. Northeast wind around 10 mph.

Monday

Sunny, with a high near 42. Northeast wind 5 to 10 mph.

Monday Night

Clear, with a low around 35. Northeast wind around 10 mph.

Tuesday

Sunny, with a high near 46. Northeast wind 5 to 10 mph becoming light north in the afternoon.

Tuesday Night

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

Wednesday

A 10 percent chance of rain. Snow level 7500 feet rising to 8000 feet in the afternoon. Mostly sunny, with a high near 46. Northeast wind around 5 mph becoming calm in the afternoon.