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	93%
Wind Speed	SSE 4 MPH
Barometer	NA
Dewpoint	40°F (4°C)
Visibility	NA
Wind Chill	40°F (4°C)
Last update	25 Dec 01:51 PM PST

More Information:

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

Extended Forecast for

10 Miles S Yosemite Valley CA

Flood Watch December 25, 02:05pm until December 26, 04:00pm

Winter Storm Warning December 25, 02:05pm until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Winter Storm Warning

Flood Watch December 25, 02:05pm until December 26, 04:00pm
Winter Storm Warning December 25, 02:05pm until December 26, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Christmas Day
High: 32 °F
Snow Showers
and Breezy
Tonight
Low: 26 °F
Snow Showers
and Breezy
Friday
High: 29 °F⇓
Snow Showers
Friday Night
Low: 20 °F
Snow Likely
then Chance
Snow
Saturday
High: 31 °F
Slight Chance
Snow then
Sunny
Saturday Night
Low: 23 °F
Mostly Clear
Sunday
High: 37 °F
Sunny
Sunday Night
Low: 29 °F
Clear

Detailed Forecast

Christmas Day

Snow showers. Some thunder is also possible. High near 32. Wind chill values as low as 17. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 11 to 17 inches possible.

Tonight

Snow showers. Some thunder is also possible. Low around 26. Wind chill values as low as 15. Breezy, with a south wind around 20 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 11 to 17 inches possible.

Friday

Snow showers. Some thunder is also possible. Temperature falling to around 25 by 5pm. Wind chill values as low as 15. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

Friday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 20. East wind around 5 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Saturday

A 20 percent chance of snow before 10am. Sunny and cold, with a high near 31. Northeast wind around 5 mph becoming calm in the morning.

Saturday Night

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

Sunday

Sunny, with a high near 37. East northeast wind 5 to 10 mph becoming west southwest in the afternoon.

Sunday Night

Clear, with a low around 29. Northeast wind around 10 mph, with gusts as high as 15 mph.

Monday

Sunny, with a high near 41. Northeast wind 5 to 10 mph.

Monday Night

Mostly clear, with a low around 34. Northeast wind around 10 mph, with gusts as high as 15 mph.