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

Merced Regional Airport (KMCE)

Lat: 37.28306°NLon: 120.50778°WElev: 154.0ft.

Overcast

56°F

13°C

Humidity	86%
Wind Speed	SSE 8 MPH
Barometer	29.91 in (1012.87 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	26 Dec 12:53 AM PST

More Information:

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

Extended Forecast for

8 Miles SE Merced CA

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

Click here for hazard details and duration

Flood Watch

Flood Watch December 26, 01:01am until December 26, 04:00pm
NOW until 4:00pm Fri
Flood Watch
Overnight
Low: 54 °F
Showers
Friday
High: 58 °F
Showers
Friday Night
Low: 44 °F
Scattered
Showers
Saturday
High: 52 °F
Mostly Sunny
Saturday Night
Low: 39 °F
Partly Cloudy
Sunday
High: 48 °F
Partly Sunny
Sunday Night
Low: 36 °F
Partly Cloudy
Monday
High: 47 °F
Mostly Sunny

Detailed Forecast

Overnight

Showers and possibly a thunderstorm. Steady temperature around 54. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

Showers and possibly a thunderstorm. High near 58. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Scattered showers. Cloudy, then gradually becoming partly cloudy, with a low around 44. East southeast wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

Mostly sunny, with a high near 52. Northwest wind around 5 mph.

Saturday Night

Partly cloudy, with a low around 39. Northwest wind around 5 mph.

Sunday

Partly sunny, with a high near 48. Northwest wind around 5 mph becoming calm.

Sunday Night

Partly cloudy, with a low around 36. Calm wind.

Monday

Mostly sunny, with a high near 47. Calm wind.

Monday Night

Partly cloudy, with a low around 37. Calm wind.