Coverage of the Hughes, Sepulveda and Laguna fires in Southern California during a fourth consecutive day of red flag fire weather warnings.

Firefighters made progress on the more than 10,000-acre Hughes Fire Friday, which sent thousands fleeing after sparking near the Los Angeles County community of Castaic a day earlier.

Thousands of firefighters have been battling wildfires across 45 square miles of densely populated Los Angeles County. The two largest fires, the Palisades Fire in Pacific Palisades and the Eaton Fire near Pasadena, remain active. One of the latest, the Hughes Fire in the Castaic area, has prompted evacuation orders for tens of thousands of people.

The National Weather Service has issued a series of warnings for the Los Angeles area, including a flood watch and winter storm warnings.

The blazes have grown to more than 37,000 acres, killing at least 25 people and destroying thousands of structures.

Forecasters in Southern California expect to issue a 'particularly dangerous situation' red flag warning for the coming week as the Santa Ana wind forecast worsens.

Southern California braces for a ferocious return of fire danger as the National Weather Service issues its most urgent warning for extreme fire weather.

The NWS Los Angeles/Oxnard CA issued a high wind warning at 12:54 a.m. on Wednesday valid from 10 p.m. until Thursday 2 p.m.

Local leaders are upset about the potential dangers posed to residents by the EPA's plan to open a site to process Eaton fire debris near Lario Park.

On Tuesday at 2:51 a.m. the NWS Los Angeles/Oxnard CA issued a frost advisory. Overnight low temperatures between 32 and 35 degrees will result in frost formation for Santa Clarita Valley until 9 a.m. this morning.

Rain eased Monday after Southern California's first significant storm of the season brought downpours that aided firefighters but caused ash and mud to flow across streets in charred areas, while mountain snow forced the shutdown of a major interstate.