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.

60°F

16°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

9 Miles SSW Groveland CA

Flood Watch December 25, 02:46am until December 26, 04:00pm

Wind Advisory December 25, 02:46am until December 25, 04:00pm

Click here for hazard details and duration

Flood Watch

Wind Advisory

Flood Watch December 25, 02:46am until December 26, 04:00pm
Wind Advisory December 25, 02:46am until December 25, 04:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 50 °F
Rain and
Breezy
Christmas Day
High: 49 °F
Showers and
Breezy
Thursday Night
Low: 48 °F
Showers and
Breezy
Friday
High: 49 °F
Showers
Friday Night
Low: 38 °F
Rain Likely
then Chance
Rain
Saturday
High: 48 °F
Slight Chance
Rain then
Mostly Sunny
Saturday Night
Low: 36 °F
Partly Cloudy
Sunday
High: 48 °F
Mostly Sunny

Detailed Forecast

Overnight

Rain. Steady temperature around 50. Breezy, with a south southeast wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Christmas Day

Rain before 7am, then showers and possibly a thunderstorm after 7am. High near 49. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Thursday Night

Showers and possibly a thunderstorm. Steady temperature around 48. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Friday

Showers and possibly a thunderstorm before 4pm, then rain likely and possibly a thunderstorm after 4pm. High near 49. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. 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 38. 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

A 20 percent chance of rain before 10am. Mostly sunny, with a high near 48. Calm wind becoming west around 5 mph in the afternoon.

Saturday Night

Partly cloudy, with a low around 36. North wind around 5 mph becoming calm.

Sunday

Mostly sunny, with a high near 48. Calm wind.

Sunday Night

Mostly clear, with a low around 37. Calm wind becoming east northeast around 5 mph.

Monday

Sunny, with a high near 52. Calm wind.

Monday Night

Mostly clear, with a low around 41. Calm wind becoming east northeast around 5 mph.