Between a quarter-inch and three quarter of an inch of rain is expected along the L.A. County coast and in the county’s valleys.
Monday morning will bring a 70% chance of rain and 10 to 15 mile per hour winds with gusts as high as 25 mph.
A closure of Interstate 5 that began Christmas night continued in the mountains north of Los Angeles on the notorious Grapevine section of the key highway through towering Tejon Pass.
The NWS reported that the deluge resulted in record-breaking rain in Long Beach on Christmas Day, with 1.03 inches through midnight.
A winter storm watch will take effect Wednesday evening in the Los Angeles County Mountains, excluding the Santa Monica range, and remain in effect through Thursday evening.
Long Beach so far Monday had received 1.47 inches of rain (precipitation is measured at Long Beach Airport), according to the NWS.
Long Beach should expect to get a showering starting Sunday night.
Long Beach has so far received 3.68 inches of rain since Oct. 1, which is 197% of normal for this time of year.
As of 4 p.m. on Thursday, Long Beach had received 2.17 inches of rain, breaking the previous record of 1.93 inches set in 1970.
As of 4 p.m. on Wednesday, Long Beach Airport had received .17 inches of rain.