The National Weather Service in San Diego has issued a forecast detailing minor cooling across most areas on Sunday, particularly in the mountains and western valleys, despite a dominating high pressure system. According to their forecast, this slight respite is not set to last, with temperatures inching again starting Monday as moisture levels decrease.
The rising heat will peak on Tuesday and Wednesday under strengthened high pressure, with inland temperatures expected to reach 5 to 15 degrees above average. "There is a 30-50 percent chance of seeing temperatures over 105 degrees in eastern and southern portions of the Inland Empire during this time frame", the NWS unveiled. Meanwhile, coastal areas anticipate minor fluctuations, with the continuous presence of the marine layer causing evening clouds and morning fog.
Midweek forecasts predict a shift in the weather pattern as the ridge pushes eastward, allowing for increased monsoonal moisture and the potential for showers and storms in the mountains and deserts. This change is projected to bring temperatures closer to average towards the end of the week, yet it may also contribute to muggier conditions, particularly in desert locales.
In the meantime, the marine conditions remain non-threatening through Thursday, and beachgoers are advised to pay heed to the Beach Hazards Statement due to elevated surf from a long-period south swell. "Sets up to 6 feet can be expected on south and southwest-facing beaches, especially in Orange County", the NWS mentioned. Outdoor enthusiasts are encouraged to stay informed on the potential for extreme heat and respect all advisories in place for coastal and desert regions.
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