Photos taken of the Hughes Fire around Castaic Lake, California captured the massive blaze and cloud of smoke visible from Six Flags Magic Mountain.

The Hughes Fire near Castaic, California, has burned over 5,000 acres, prompting evacuations and school closures.

The Hughes Fire in Castaic area has burned more than 9,400 acres in just hours. While Los Angeles County Fire Chief Anthony Marrone called it a "difficult fire," he said that crews are "getting the upper hand on containing the blaze."

An explosive new wildfire erupted north of Los Angeles on Wednesday, forcing tens of thousands of people to evacuate their homes and setting nerves jangling in an area still reeling from two deadly blazes. Ferocious flames devoured hillsides near Castaic Lake, spreading rapidly to cover more than 9,400 acres in just a few hours.

A fire north of a jail complex in Castaic has triggered evacuations in L.A. County, even as Southern California hopes for some rain to help with firefighting efforts.

As critical fire weather continues to strike in Southern California, crews are also tasked with preparing for a storm expected this weekend that could trigger mudslides in burn scar areas.

The Hughes Fire has now burned 8,096 acres in Los Angeles and Ventura counties since igniting late Wednesday morning near Castaic Lake, according to Cal Fire. As more than 400 firefighters responded to the scene, an air tanker and four helicopters attacked the blaze from the air, preventing it from jumping Interstate 5, officials said.

Over 1,100 firefighters were “strategically pre-positioned” across Southern California to address "ongoing critical fire weather," Cal Fire said.

The Sepulveda fire was the latest blaze in a nerve-racking week as Southern California headed into a fourth consecutive day of red flag fire weather warnings.

A fast-moving wildfire exploded to roughly 10,200 acres near the Los Angeles County community of Castaic Wednesday morning, prompting mandatory evacuation orders and road closures, authorities said.

(CNN) — Exhausted firefighters battling deadly infernos for weeks are now grappling with more wildfires torching Southern California – including one that’s threatening 14,000 structures.