See updates on the 3 largest Southern California wildfires NBC Los Angeles [Video]

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.

Below, see updates on the fires, including size, containment and evacuation information.

The 54,700-acre Bridge Fire was 37-percent contained Wednesday with evacuation warnings lifted and evacuation orders downgraded to warnings in both Wrightwood and Mt. Baldy.

Water-dropping aircraft were putting out hot spots around the southeast corner of the fire zone. Secondary containment lines were being established on the south side of the fire. The northwest flank of the fire still has scattered flames. To the east, firefighters were constructing a line south from Wright Mountain to prevent the fire from reaching Lytle Creek.

The fire has destroyed 73 structures and damaged 16 others.

In Los Angeles County, an evacuation order remained in effect …