Record-breaking heat possible this weekend

Posted at 5:27 AM, Jun 03, 2016
and last updated 2016-06-03 20:12:00-04


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SAN DIEGO -- The first major heat wave of the season is poised to hit San Diego County Friday and send temperatures soaring up to 20 degrees above normal and into the triple digits in several locales.
High temperatures expected today amid mostly sunny skies following dense morning fog were of 73 to 78 degrees at the beaches, 83 to 88 degrees inland, 86 to 91 degrees in the western valleys, 93 to 98 degrees near the foothills, 93 to 100 degrees in the mountains and 109 to 114 degrees in the deserts,
according to the National Weather Service.
A NWS excessive heat warning for the deserts will take effect at 10 a.m. and extend until 8 p.m. Sunday. A less severe heat advisory for the valleys and for mountain locales lower than 6,000 feet will run concurrently.
"The first heat wave of the season will impact Southern California this weekend," according to the weather service. "The effects of the excessive heat will be magnified since high temperatures toward the end of May were below average. High temperatures will be around 15 to 20 degrees above average today and Saturday."
Forecasters said cooling would begin Sunday, but high temperatures would still be above average.
The NWS urged residents to protect themselves and their loved ones against dehydration, heat stroke and other heat-related illnesses. They were advised to stay well-hydrated, avoid working in the sun, check on neighbors and relatives -- especially the elderly -- and provide plenty of water to pets and
Residents were also urged to never leave a child, an elderly person, or a pet in a vehicle parked in the heat as interior temperatures can quickly reach lethal levels.