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.

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.

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.

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.