Dense fog and a thick marine layer have shielded the sun along San Diego’s immediate coast for the last few days, but it’s a completely different story just a few miles inland.
The National Weather Service have issued excessive heat warnings for the inland valleys and deserts, which will remain in place until Monday.
An excessive heat warning will be in effect through 8 p.m. Thursday for areas of San Diego County east of Interstate 15 as unseasonably warm weather spreads across most of California, the National Weather Service said.
The daytime high temperatures in areas like Ramona and Alpine will be in the 98-to-100-degree range on Tuesday and will inch higher on Wednesday and possibly Thursday. Escondido and El Cajon will be in the mid- to upper 90s all three days.
Dangerous and potentially deadly heat will settle over the Southwestern United States for the next several days, with temperatures in some locations expected to break records and exceed 110 degrees.
More than 22 million people in California, Nevada and Arizona are under some sort of heat-related alert through at least part of the weekend, the National Weather Service said. A heat wave is defined as a period of abnormally and uncomfortably hot and unusually humid weather that lasts for two or more days.
As crews continue to combat wildfires in Northern California, the southern part of the state is preparing for extreme heat and elevated fire danger.
The National Weather Service on Wednesday issued an excessive heat warning across portions of Southern California’s high desert, with the Apple and Lucerne valleys preparing for temperatures that could climb as high as 120 degrees by the weekend — potentially the hottest of the year so far.
