Potentially critical fire weather is likely to arrive in San Diego Tuesday and worsen into mid-week, with Santa Ana winds setting in amid dry conditions.

Dry conditions, gusty winds, and low relative humidity are all hitting San Diego County at the same time leading to critical fire concerns for the region.

The potentially hazardous conditions are expected Tuesday afternoon through Wednesday in Los Angeles and Ventura counties, according to the NWS.

Weather officials have issued a red flag warning for parts of Southern California as extreme fire conditions increase.

The National Weather Service has issued a red flag warning for Los Angeles and parts of Ventura County through Thursday evening, meaning that conditions for wildfires will be at their highest thanks to low humidity,