Extreme conditions are expected Thursday, according to the National Weather Service, U.S. Forest Service and NBC 7 weather staff.
An unusually bad year for California wildfires has seen more than 1 million acres burn so far in 2017.
The US Forest Service Fire Weather Meteorologist said San Diego residents should be taking the forecast very seriously.
NASA on Tuesday released an image that reveals the scope of wildfire destruction in the North Bay after a spate of blazes ripped through the region.
After shattering records across San Diego County over the last 48 hours, the intense heat will ease some.
The San Diego International Airport recorded 97 degrees, breaking a record set in 1965.
Record-breaking temperatures and near-zero humidity were in the forecast for San Diego County.
The San Diego Unified School District will release students Tuesday and Wednesday.
High waves and strong rip currents may keep beachgoers from braving the water this week in Del Mar.
San Diegans found many ways to stay cool as intense heat beat down on the region and much of Southern California Monday.
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