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.

44°F

7°C

Humidity	79%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Last update	26 Dec 02:15 AM PST

More Information:

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

Extended Forecast for

3 Miles SW Yosemite Valley CA

Flood Watch December 26, 02:43am until December 26, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 26, 02:43am until December 26, 04:00pm
NOW until 4:00pm Fri
Flood Watch
Overnight
Low: 36 °F
Showers
Friday
High: 38 °F
Showers then
Rain/Snow
Friday Night
Low: 28 °F
Rain/Snow
then Chance
Rain/Snow
Saturday
High: 44 °F
Sunny
Saturday Night
Low: 30 °F
Mostly Clear
Sunday
High: 50 °F
Sunny
Sunday Night
Low: 34 °F
Clear
Monday
High: 53 °F
Sunny

Detailed Forecast

Overnight

Showers and possibly a thunderstorm. Low around 36. Southwest wind around 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.

Friday

Rain showers before 4pm, then rain and snow showers. Some thunder is also possible. Snow level 5100 feet. Steady temperature around 38. Wind chill values as low as 27. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Friday Night

Rain and snow showers, mainly before 10pm. Snow level 4300 feet. Low around 28. Northeast wind around 5 mph becoming west after midnight. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Saturday

Sunny, with a high near 44. Wind chill values as low as 25. Calm wind becoming west around 5 mph in the afternoon.

Saturday Night

Mostly clear, with a low around 30. East northeast wind around 10 mph.

Sunday

Sunny, with a high near 50. East northeast wind 5 to 10 mph.

Sunday Night

Clear, with a low around 34. East northeast wind around 10 mph.

Monday

Sunny, with a high near 53. East northeast wind around 10 mph.

Monday Night

Clear, with a low around 39. East northeast wind around 10 mph, with gusts as high as 15 mph.