A Red Flag Warning that went into effect Monday for San Diego County mountains and valleys has been extended due to strong gusty winds and low relative humidity.

As wildfires continued to burn in Los Angeles, several new fires broke out in San Diego County, prompting evacuation orders and warnings.

The National Weather Service issued red flag warnings until Friday morning for inland valleys and mountain areas.

The Border 2 Fire, a brush fire that erupted on Otay Mountain near the U.S.-Mexico border in San Diego County on Thursday ...

SAN DIEGO (FOX 5/KUSI) — The National Weather Service has issued a Red Flag Warning for most of eastern San Diego County amid another round of Santa Ana winds. NWS on Sunday said Santa Ana winds ...

Strong winds and power outages have prompted schools in East County to cancel classes for the fourth day in a row.

Another round of Santa Ana winds in the forecast led to the extension of a Red Flag Warning for parts of San Diego County.

A red flag warning for San Diego County expired Wednesday evening as Santa Ana winds diminished, although dry conditions could still create concern for wildfires in the days to come, forecasters said.

A Red Flag Warning has been issued for San Diego's inland and mountain communities, as well as the Palomar and Descanso Ranger Districts of the Cleveland National Forest.