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LOS ANGELES - Scattered showers with a chance of thunderstorms continued through Sunday evening across Southern California, with strong winds, hail and heavy downpours in some parts.
According to the National Weather Service, a high pressure system will move temperatures to well above normal on Tuesday and Wednesday. Gusty northwest winds and cooler conditions will increase the chances of another round of light rain by the end of the week.
On Saturday, heavy rainfall led to flooding and street closures in some areas and some power outages.
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The city of Los Angeles temporarily closed the Sepulveda Basin around midday Saturday. The closure spanned Burbank Boulevard between Balboa Boulevard and the 405 Freeway, and on Woodley Avenue from Victory to Burbank Boulevard.
Also closed for the duration of the storm was the on-ramp to southbound 5 Freeway from Lankershim Boulevard in Sun Valley, where Caltrans crews were installing three extra pumps to prevent the highway from flooding.
In Fullerton, a black Nissan Altima was found 90 percent submerged in a ditch off the 57 Freeway and Chapman Avenue at 10:06 a.m. Saturday.
The person who reported the incident said the sedan spun out and went off the right shoulder into a ditch. There was no one inside the car when first responders arrived.
The CHP said the registered owner wanted to see the vehicle for herself, and that she understood there would be no attempt to recover the vehicle until the weather improved.
The Los Angeles County Public Works Department warned residents about the potential for debris and mudflow in parts of the north county.
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The city of Laguna Beach announced its beaches were closed Sunday afternoon due to lightning and would reopen about half an hour later.
Officials had already issued a warning advising people to stay away from all Los Angeles County beaches due to the high levels of bacteria.
"These thunderstorms on Sunday could produce small hail, gusty winds, frequent lightning and possibly even a small tornado or waterspout," the NWS said.
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Caltrans said the 5 Freeway was open through the Grapevine, but drivers should expect high winds, rain, possible snow and CHP escorts.
Forecasters said one to two feet of snow could fall at elevations above 6,000 feet, "with even higher amounts at the highest peaks."
A winter storm warning will be in effect through 11 p.m. Sunday for the San Gabriel Mountains and the 5 and 14 freeway corridors, with forecasters warning that "travel could be very difficult to impossible."
Cooler temperatures were also in the forecast through Easter, with most areas not getting out of the 50s.
City News Service contributed to this report.