NWS' 3:40 a.m. advisory indicates winds were blowing northeast at speeds between 25 to 35 mph, with gusts up to 60 mph.

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.

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

The National Weather Service has extended a Red Flag Warning until Friday morning for San Diego County's inland valleys and mountains.

A critical fire threat will continue across County as Santa Ana winds and dry conditions persist through early Friday, according to the National Weather Service.

Following weeks of critically bone-dry conditions, San Diego County could finally get a taste of rain over the weekend.

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

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

POWAY, Calif. — As of Wednesday night, San Diego Gas and Electric’s public safety power shutoffs had impacted parts of Alpine, Descanso and Julian. The reason for these power shutoffs is to prevent wind-damaged power lines from potentially sparking fires. A Red Flag Warning remains in effect until Friday morning.

"A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly," the NWS said.

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