As of Wednesday, firefighters had the footprint of the 6,625-acre blaze, dubbed the Border 2 Fire, nearly 90% surrounded, according to Cal Fire.

As of Wednesday, firefighters had the footprint of the 6,625-acre blaze, dubbed the Border 2 Fire, nearly 90% surrounded, according to Cal Fire.

An evacuation order remains in effect Wednesday for Otay Mountain-area neighborhoods, as crews work to douse the wildfire that has burned about 10 square miles of remote terrain.

Still prohibited from returning to their homes due to the conflagration, dubbed the Border 2 Fire, were residents of areas east and south of Otay Lakes Road.

Containment of the Border 2 Fire in the far southern reaches of the San Diego area increased to 74% Tuesday morning with flames not posing any immediate threats of spreading further.

Fire crews battling the Border 2 Fire received much-needed help from Mother Nature as rain showers moved into the area, aiding their efforts to control the blaze.