A late-summer heat will keep the San Diego area sizzling through the weekend, and into next week, with temperatures into triple digits expected to continue in various

As extreme heat set in over San Diego County, students have been bracing for interruptions — from classroom changes due to air conditioning buckling and cancelling of sports practices due to three-digit temperatures.

This week, it felt like parts of San Diego County broke from orbit to barrel straight toward the solar surface. Thursday was the county’s hottest day in four years. Heat beat down on hospitals, roasted playgrounds and cooked tents.

The CDC's Heat and Health Vulnerability Index determined that ten San Diego County ZIP codes are in the top 10% of the country's most vulnerable to the effects of extreme heat, the top cause of weathe

Thermometer readings into triple digits expected to continue in various locales into the weekend and until early next workweek.

An excessive heat warning will be in effect east of Interstate 15 until 8 p.m. Monday. Seasonal temperatures likely won’t return until Wednesday.