As the weekend unfolds, San Diego residents can expect a slight temperature drop. However, according to the National Weather Service San Diego, the weather will still hang above the seasonal norms until a cooler respite slides in by Tuesday. The temperamental storms, largely skirting the mountains and deserts over the weekend, harbor a small chance of wandering westward off the high terrain. This information was detailed in a forecast issued by NWS San Diego.
In a further dive into this week's weather, the National Weather Service San Diego's Area Forecast Discussion highlighted that, although we're experiencing a slight inland cooling trend, the predominantly high temperatures are slated to linger through Monday. Engulfing moisture from the monsoons will elevate chances for afternoon and early evening showers and thunderstorms primarily over the mountains and deserts each day until Tuesday. "Chances for one-half inch or more of rainfall at Big Bear are generally between 15 and 20 percent each day," the forecast discussion noted, pinpointing Big Bear as a potential hotspot for precipitation.
In light of the marine layer being pegged at 1200 to 1500 feet deep through Monday, coastal low clouds in the mornings and nights will mostly visit coastal areas, with potential intrusions into the western valleys as the week advances. The forecast discussion asserts that the heat will take a mild downturn by Tuesday with temperatures falling a few degrees below average, offering a slight reprieve from the balminess that ranges from the 70s near the coast to as high as 106 in the lower deserts.
Marine conditions through Wednesday are expected to remain non-threatening despite a slender chance of thunderstorms in the morning, which might spark lightning and erratic winds over coastal waters. "There is a 15-20% chance of showers and a 5-10% chance of thunderstorms to move west over the coastal waters this morning through about 11 AM," according to the forecast discussion, warning seafarers of the possible electrical hazards.
While no Skywarn activation is called for now, the eyes of weather spotters are always welcome on the watch, ready to flag any significant meteorological deviations. The NWS concludes with caution under the blazing sun, maintaining a Heat Advisory for inland regions and an Extreme Heat Warning for the deserts until the evening, underscoring the need for San Diegans to stay cool and hydrated during this peak summer surge.
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