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.

Forecasters say weaker winds will hit on Saturday night and Sunday, and that there will be no relief until the county gets rain.

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 because of low humidity and relentless Santa Ana winds.

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

A high wind warning was issued by the NWS San Diego CA on Wednesday at 12:04 p.m. valid for Thursday between 6 a.m. and 6 p.m. The warning is for San Bernardino and Riverside County Valleys-The Inland Empire,

According to AccuWeather, a storm sliding south along the California coast from Friday to Sunday could bring some much-needed rainfall.

San Diego County remains under the grip of another round of moderate to strong Santa Ana winds, paired with extremely dry air, elevating critical fire weather concerns.

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.

At least 28 people are believed to be dead and more than a dozen others remain unaccounted for as multiple wildfires rage across Southern California.