A rapidly spreading wildfire in Southern California has expanded to nearly 2,700 acres (about 10.9 square kilometers), forcing evacuation orders and warnings for nearby communities as firefighters battle the blaze under extreme heat and challenging terrain.

The Summit Fire was first reported at approximately 1 p.m. local time on Friday near Llano, a rural community along the border of Los Angeles and San Bernardino counties. According to the California Department of Forestry and Fire Protection (CAL FIRE), the fire remained 0% contained as of Saturday morning, with crews continuing aggressive suppression efforts.

Authorities have issued mandatory evacuation orders for residents in areas threatened by the advancing flames, while additional communities remain under evacuation warnings as a precaution. Emergency shelters have been opened for displaced residents, and officials have urged the public to stay alert and follow evacuation instructions as conditions can change rapidly.

Hundreds of firefighters, supported by helicopters, fixed-wing aircraft, bulldozers, and fire engines, are working around the clock to contain the blaze. Fire officials said steep, rugged terrain and dry vegetation have complicated firefighting efforts, limiting ground access in some areas and increasing reliance on aerial operations.

The wildfire has been fueled by soaring temperatures, low humidity, and gusty winds. Temperatures in the affected region climbed to nearly 100 degrees Fahrenheit (37.8 degrees Celsius) on Friday, while a heat advisory remains in effect across much of Southern California through Tuesday morning, raising concerns that fire conditions could worsen.

Although no fatalities or structural damage have been officially confirmed, authorities warned that homes and critical infrastructure remain at risk if the fire continues to spread. Air quality has also deteriorated in nearby communities due to thick smoke drifting across the region, prompting health officials to advise residents, particularly children, older adults, and people with respiratory conditions, to limit outdoor activities.

The Summit Fire is the latest in a series of significant wildfires affecting California this year. Earlier in June, firefighters battled multiple blazes in Riverside, Kern, and San Diego counties, highlighting the increasing frequency of wildfire outbreaks across the state.

CAL FIRE officials have cautioned that hotter and drier weather is expected to produce above-average wildfire activity in the coming months. The agency has increasingly adopted the term "peak fire year" instead of the traditional "fire season," reflecting the reality that dangerous wildfire conditions now persist throughout much of the year rather than being limited to late summer and autumn.

"It does back up the need for us to utilize the term 'peak fire year' rather than the antiquated 'fire season' that we used to use," said David Acuna, a battalion chief with CAL FIRE.

According to CAL FIRE, 2,584 wildfires have burned approximately 79,690 acres statewide so far this year, destroying 25 structures. No wildfire-related fatalities have been reported to date.

Fire experts attribute California's growing wildfire threat to a combination of prolonged drought, rising temperatures linked to climate change, and increasingly dry vegetation. Dense plant growth from previous wet winters has dried out under extreme heat, creating abundant fuel for fast-moving fires.

Fire officials warned that weather conditions over the coming days will remain favorable for rapid fire growth and urged residents in fire-prone areas to remain prepared for additional evacuation notices as firefighters continue working to contain the Summit Fire. (ILKHA)