It could take weeks or months for the public to know what caused the fire that last month charred 6,600 acres in the Otay Mountain Wilderness as local Cal Fire officials continue their investigation.

A new wildfire was reported today at 1:58 p.m. in San Diego County. The wildfire has been burning on private land. At this time, the containment status is unknown and the cause of the fire remains undetermined.

According to the National Weather Service, a flood watch is in effect for San Diego County from Thursday afternoon through late Thursday night.

The storm is expected to bring about 2 inches of rain to northern and southern parts of the county between Wednesday and Friday

A storm system that has the potential to bring significant rainfall is expected to arrive mid-week. Residents should prepare for the wet conditions by using sandbags, which help redirect stormwater and debris flows away from property improvements,

Officials want San Diego County residents to be prepared as potentially heavy rains and some snow head toward the region this week. Two atmospheric rivers are expected to bring two rounds of rain to the county,