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.

62°F

17°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

14 Miles WNW Mariposa CA

Flood Watch December 24, 04:53pm until December 26, 04:00pm

Wind Advisory December 24, 04:53pm until December 25, 04:00pm

Click here for hazard details and duration

Flood Watch

Wind Advisory

Flood Watch December 24, 04:53pm until December 26, 04:00pm
Wind Advisory December 24, 04:53pm until December 25, 04:00pm
NOW: Multiple hazards in effect
Click HERE for Details
This Afternoon
High: 49 °F
Showers
Tonight
Low: 49 °F
Showers and
Breezy
Christmas Day
High: 48 °F
Showers and
Breezy
Thursday Night
Low: 44 °F
Showers and
Breezy
Friday
High: 46 °F
Showers
Friday Night
Low: 36 °F
Rain Likely
then Chance
Rain
Saturday
High: 45 °F
Slight Chance
Rain then
Sunny
Saturday Night
Low: 34 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm. Steady temperature around 49. Southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and possibly a thunderstorm before 4am, then rain after 4am. Steady temperature around 49. Breezy, with a south southeast wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Christmas Day

Rain before 7am, then showers and possibly a thunderstorm after 7am. High near 48. 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. Low around 44. 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 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 46. 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 36. East northeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A 20 percent chance of rain before 10am. Sunny, with a high near 45. East northeast wind around 5 mph becoming west northwest in the afternoon.

Saturday Night

Partly cloudy, with a low around 34. North wind around 5 mph becoming east northeast after midnight.

Sunday

Sunny, with a high near 45. East northeast wind around 5 mph becoming calm.

Sunday Night

Mostly clear, with a low around 35. East northeast wind around 5 mph.

Monday

Sunny, with a high near 49. East northeast wind around 5 mph becoming calm.

Monday Night

Mostly clear, with a low around 38. East northeast wind around 5 mph.