An uptick in Santa Ana winds Wednesday afternoon through Thursday, combined with critically dry vegetation and low humidity, will result in elevated to locally critical fire weather conditions in County through late Thursday.

With the strongest of the winds in the inland valleys and mountains of San Diego County on Monday night through Tuesday morning, the highest wind gusts of 102 mph were recorded in Sill Hill, near Julian. This is a typical wind-prone area in the mountains known for exceptionally high wind gusts, offshore and onshore.

Red flag warnings are in effect until Thursday for parts of Los Angeles, Ventura and San Diego due to low humidity and an uptick in Santa Ana winds.

Red flag warnings are in effect until Thursday for parts of Los Angeles, Ventura and San Diego because of low humidity and relentless Santa Ana winds.

Wildfires in Southern California prompt evacuations and school closures as Santa Ana winds exacerbate conditions. Communities remain on high alert.- Watch Video on English Oneindia

Forecasters say the moisture will do virtually nothing to tamp down the threat of wildfires in a region starving for rain.

Wildfires in San Diego have led to mandatory evacuations in the area on Tuesday. Officials tell FOX News that two wildfires are burning in San Diego County, with strong Santa Ana winds creating "dangerous fire conditions." RELATED: Why are winter wildfires happening in Southern California?

Millions of California residents were placed under a red flag warning through Thursday amid threats of further fires with looming winds in the forecast, according to multiple reports.

Scores of residents were urged to flee as fast-moving fires hurtled through bone-dry brush in Bonsall and Mission Valley Tuesday

Several counties in Southern California faced "critical" fire risks this week, according to an AccuWeather forecast.

More wildfires started in Southern California on Tuesday night and Wednesday, as gusty Santa Ana winds continue to plague the state this week.