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

Flood Watch until December 26, 04:00 PM PST

Current conditions at

YOSEMITE VALLEY NEAR YOSEMITE VILLAGE 1NNW YYV (YYVC1)

Lat: 37.74972°NLon: 119.58944°WElev: 4022.0ft.

42°F

6°C

Humidity	99%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	41°F (5°C)
Visibility	NA
Last update	26 Dec 03:15 AM PST

More Information:

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

Extended Forecast for

Yosemite Valley CA

Flood Watch December 26, 04:01am until December 26, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 26, 04:01am until December 26, 04:00pm
NOW until 4:00pm Fri
Flood Watch
Overnight
Low: 30 °F
Snow Showers
Friday
High: 29 °F
Snow Showers
Friday Night
Low: 18 °F
Snow Showers
then Chance
Snow Showers
Saturday
High: 34 °F
Slight Chance
Snow Showers
then Sunny
Saturday Night
Low: 20 °F
Mostly Clear
Sunday
High: 40 °F
Sunny
Sunday Night
Low: 24 °F
Clear
Monday
High: 44 °F
Sunny

Detailed Forecast

Overnight

Snow showers. Some thunder is also possible. Steady temperature around 30. Wind chill values as low as 18. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 7 to 11 inches possible.

Friday

Snow showers. Some thunder is also possible. Steady temperature around 29. Wind chill values as low as 14. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

Friday Night

Snow showers, mainly before 10pm. Low around 18. West southwest wind around 5 mph becoming east southeast after midnight. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Saturday

A 20 percent chance of snow showers before 10am. Sunny, with a high near 34. Wind chill values as low as 13. Calm wind becoming west southwest around 5 mph in the afternoon.

Saturday Night

Mostly clear, with a low around 20. East northeast wind 5 to 10 mph.

Sunday

Sunny, with a high near 40. East wind 5 to 10 mph.

Sunday Night

Clear, with a low around 24. East northeast wind around 10 mph.

Monday

Sunny, with a high near 44. East northeast wind around 10 mph, with gusts as high as 15 mph.

Monday Night

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

Tuesday

Sunny, with a high near 48. East northeast wind 5 to 10 mph.

Tuesday Night

Mostly clear, with a low around 32. East northeast wind around 5 mph.

Wednesday

Sunny, with a high near 48. East northeast wind around 5 mph becoming calm in the morning.

Wednesday Night

A slight chance of rain and snow. Snow level 7300 feet. Partly cloudy, with a low around 32. East northeast wind around 5 mph. Chance of precipitation is 20%.

New Year's Day

A 30 percent chance of snow. Partly sunny, with a high near 42. East wind around 5 mph becoming south southwest in the afternoon.