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

LAKE MCCLURE AT EXCHEQUER DAM NEAR SNELLING 10ENE (EXC) (EXQC1)

Lat: 37.585°NLon: 120.26722°WElev: 877.0ft.

55°F

13°C

Humidity	NA
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	NA

More Information:

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

Extended Forecast for

6 Miles ESE Groveland CA

Flood Watch December 25, 01:03pm until December 26, 04:00pm

Wind Advisory December 25, 01:03pm until December 25, 04:00pm

Click here for hazard details and duration

Flood Watch

Wind Advisory

Flood Watch December 25, 01:03pm until December 26, 04:00pm
Wind Advisory December 25, 01:03pm until December 25, 04:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Christmas Day
High: 47 °F
Showers
Tonight
Low: 41 °F
Showers
Friday
High: 46 °F
Showers
Friday Night
Low: 35 °F
Rain Likely
then Chance
Rain
Saturday
High: 48 °F
Sunny
Saturday Night
Low: 33 °F
Partly Cloudy
Sunday
High: 50 °F
Sunny
Sunday Night
Low: 37 °F
Mostly Clear

Detailed Forecast

Christmas Day

Showers and possibly a thunderstorm. High near 47. South wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and possibly a thunderstorm. Low around 41. South wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Friday

Rain before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then rain likely and possibly a thunderstorm after 4pm. High near 46. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Friday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 35. East southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday

Sunny, with a high near 48. Calm wind becoming west around 5 mph in the afternoon.

Saturday Night

Partly cloudy, with a low around 33. East northeast wind around 5 mph.

Sunday

Sunny, with a high near 50. East northeast wind around 5 mph becoming calm in the morning.

Sunday Night

Mostly clear, with a low around 37. East northeast wind around 5 mph.

Monday

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

Monday Night

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