A summer heat wave will bring blazing temperatures to the San Diego-area mountains and deserts this weekend, the National Weather Service reported.
A strong high-pressure system over the Great Basin will continue to expand westward, ushering in the sweltering conditions through Monday in most of the county, according to meteorologists.
An excessive-heat warning will run from 9 a.m. Saturday to 8 p.m. Monday in the local deserts and a less urgent high-temperature advisory will be in effect until 8 p.m. Monday in the mountains.
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Deserts highs could reach 118 on Sunday, while temperatures in the mountains are expected to reach 101 on Sunday, according to the weather service.
NBC 7's meteorologist Crystal Egger said, our weather pattern stays warm into next week with close to seasonable temperatures for this time of the year. The strong ridge breaks down midweek allowing inland temps to drop.
The extreme swelter will significantly increase the potential for heat-related illnesses, particularly for those working or participating in outdoor activities, authorities cautioned.
Due to high temperatures, San Diego County has opened the following cool zones:
- Borrego Springs Branch Library, 2580 Country Club Rd.-- Open from 12 to 6 p.m. Saturday and Sunday.
To view a full list and hours of operations of cool zones, visit the county's website.
Tips on Beating the Heat
People should be prepared to drink plenty of fluids, take shelter in air-conditioned buildings if possible, stay out of the sun during the heat of the day and check up on potentially at-risk relatives and neighbors.
While young children and pets should never be left unattended in vehicles under any circumstances, it is much more imperative to avoid doing so during such oppressive conditions, amid which car interiors can reach lethal temperatures in a matter of minutes, officials noted.