Landslides further endangered the devastated hillsides, where levelled structures no longer hold earth in place and water from fire hoses and broken pipes has saturated the ground, adding more stress and heartache to people suffering the worst natural disaster in Los Angeles history.
With wildfires burning for a 10th day, firefighters expressed relief over withstanding recent red flag conditions of high desert winds and low humidity without either of the two monster fires growing.
But the National Weather Service warned that the respite of ocean breezes and cloud cover will be short, as hazardous fire weather was forecast to return on Sunday.
Frustrated evacuees are eager to return home to assess the damage and salvage any keepsakes or medicine, but officials said it was too dangerous or too taxing on first responders who were still dealing with the immediate disaster, which has killed at least 25 people.
Frank McGrath, 46, was at a FEMA disaster center in Pasadena on Thursday, along with his wife, Bridget, and their 9-year-old daughter. They lost their home in the Eaton Fire and are now living with Bridget's mother nearby.
McGrath, a film and television editor, said he is eager to get back in and search the rubble for any family heirlooms that survived. But he knows he likely lost the quilts from his grandmother and his late mother's paintings.
"Is my wedding ring somewhere buried?" he said. "There are clearly some hazardous materials in there. We want to get in, but we understand why it's limited."
Los Angeles Mayor Karen Bass said on Thursday: "You can see the emotional toll that this disaster has taken on people, as I spoke to people who had lost their homes or who were not sure the status of their homes or missing pets. The toll you can see mounting on them."
The Palisades Fire on the west side of Los Angeles has consumed 9596 hectares and was 22% contained, meaning firefighters had control of that percentage of the perimeter.
The Eaton Fire, which has burned 5712ha in the foothills east of town, was 55% contained, Cal Fire said.
Together the two fires have charred 152sq km - an area larger than Paris or nearly three times the size of Manhattan. A series of smaller wildfires in Southern California have been brought completely or mostly under control.
At least 12,000 structures - many of them homes - have been levelled or damaged, leaving 82,400 people still under evacuation orders and another 90,400 under evacuation warnings.
Some people defied evacuation orders and died. Others found it impossible to abandon distressed neighbours and fought the flames with buckets.
John Carr said he stayed in his home in Pacific Palisades to protect it because rebuilding would be too expensive. As the fire began to encroach on his backyard, Carr said he sprang into action, jumping fences to tackle spot fires from all directions using his hose, not only on the flames but also himself.
"I was awake all night, all day. I got a little bit of sleep after things calmed down a little bit, after all the houses all burned down. I did probably hurt a rib jumping a fence over there," Carr said. "Some things in life are worth fighting for, you know."
Los Angeles County officials said some people in evacuation zones would be let home sooner than a week but for others it may take even longer, as officials attempted to recover and identify charred human remains.
"There are areas that we are holding because we believe there may be deceased victims there. We have to hold for the right time and the right resources to process the scene correctly, and that's going to take a little while," Los Angeles County Sheriff Robert Luna said.
Damaged or destroyed homes are loaded with hazardous materials, which must be removed by the US Environmental Protection Agency before local agencies can haul away debris and restore severed utilities.
The massive amounts of debris and toxic material will have damaged or clogged the region's flood control system, which will need to be clear before badly needed rains return after what so far has been nine months of dry weather, said Mark Pestrella, director of Los Angeles County Public Works.
Police had experimented with escorting people to their homes for brief visits but found it obstructed streets needed for fire trucks and consumed the time of too many officers, Los Angeles Police Chief Jim McDonnell said.
Beyond the immediate clean-up, state and local officials are preparing for a massive reconstruction effort by suspending regulations that might cause delay.
Private forecaster AccuWeather projects damage and losses at more than $US250 billion ($NZ445 billion), which would make the Los Angeles fires the costliest natural disaster in United States history.
The devastation has also complicated the city's preparation to host major sporting events such as part of the 2026 World Cup, the 2027 Super Bowl and the 2028 Olympic Games.
Experts say a relocation of the Olympics would be unlikely.
