Multiple wildfires were burning across California on Monday, threatening communities and forcing people to leave their homes. The state is moving into a time of year when it usually sees its most destructive wildfires.

The Bridge Fire in the Angeles National Forest near Glendora burned at least 49,000 acres at 0% containment as of Wednesday. The fire is now the largest active fire burning in California, according to LA County Sheriff Robert Luna. It is affecting both Los Angeles County and San Bernardino County.

California Fire officials say the blaze is expected to grow significantly over the next two days and evacuation warnings have been sent out to communities in Green Valley Lake, north of Highway 18, as well as the communities of Cedar Glen, Lake Arrowhead, Crestline, and Valley of Enchantment.

Southern California is on fire again. If you're still hankering to go outdoors, try these trails that are far away from the burned areas.

Firefighters are increasing containment of three major wildfires after a drastic change in weather conditions this week in Southern California. The region's three largest fires -- the Bridge, Airport and Line fires -- all started in early September during a stretch of extremely hot days.

At least 234 structures have been destroyed in Southern California's three massive wildfires, officials said. The Bridge, Line and Airport fires are the three largest active wildfires in the state. Combined,