Another round of Santa Ana winds has moved into Southern California and will spread south through San Diego County late Thursday. The additional dry air also is expected to worsen the region’s already very low humidity levels,

ABC 10News reporter Moses Small reported live from Alpine, where wind gusts could reach 75 miles per hour in the next couple of days, elevating the fire risk for San Diego County.

A Red Flag Warning has been extended for portions of San Diego County ahead of another bout of strong Santa Ana winds.

The National Weather Service on Wednesday extended the wildfire warning through the end of the week for much of East County.

The alert status for heightened combustion hazards in the county's inland valleys and mountains went into effect at 4 a.m. Wednesday and will last until 6 p.m. Friday.

Although the strongest wind gusts have passed through the Southern California region, another "traditional Santa Ana wind event" will move in Thursday night.

Another round of Santa Ana winds is forecast to sweep into SoCal on Thursday night into Friday morning, putting most of the region under a critical fire risk, as emergency responders battle to contain quickly spreading wildfires.