By City News Service
A heat wave is expected to hit Southern California this week, and the National Weather Service issued an excessive heat watch for Tuesday and Wednesday, when near-record temperatures are possible.
High pressure building over the desert Southwest will bring three to four days of hot weather, with Tuesday and Wednesday being the hottest, when triple-digit highs will be common across the valleys and foothills, according to the Weather Service. Cooler weather is expected next weekend.
Expected high temperatures Tuesday and Wednesday:
- 93 to 103 in inland Orange County;
- 90 to 100 in coastal valleys;
- 100 to 110 in inland valleys;
- 90 to 100 in the mountains below 6,000 feet and 80 to 90 degrees in the upper elevations; and
- 100 to 110 in the upper deserts and 112 to 117 in the lower deserts.
"While the air mass will be quite hot, it will also be quite dry and humidities will remain low this week. Therefore, the heat index values will likely remain just below heat warning criteria for the area," according to a Weather Service Statement.
However, visitors and tourists in the deserts, mountain and desert hikers and anyone working outdoors this week were urged to take precautions to prevent heat-related illnesses.
The Weather Service recommended avoiding strenuous outdoor activity if possible, drink plenty of liquids and wear lightweight, loose-fitting clothing and a hat.
Never leave children or pets in enclosed vehicles, even briefly.
The heat will linger into Thursday before a low pressure trough will bring significantly cooler weather next weekend, according to the Weather Service.