Residents across San Diego County are bracing for a mix of heat and thunderstorms as monsoonal moisture continues to make its presence felt in the region. According to the National Weather Service San Diego, scattered showers and thunderstorms could be seen in the mountains and into the deserts today, with a warning of potentially heavy rainfall. This tumultuous weather owes its genesis to the high-pressure system that steadfastly clings aloft, blanketing inland areas with heat through Thursday.
As the week progresses, things aren't looking to cool down soon, with inland valley temperatures poised to sizzle in the 90s to around 100 degrees and the lower deserts scorching at a blistering 109 to 115 degrees. "High pressure aloft will continue to bring hot weather inland through around Thursday", the National Weather Service forecasts, advising that monsoonal moisture will peak early Wednesday before starting to taper off. The resultant scattered thunderstorms today are forecasted to decline in coverage come Wednesday afternoon, transitioning to isolated activity by Thursday.
Coastal dwellers aren't spared from the unusual weather patterns either. Predictions indicate that night and morning coastal clouds will sporadically spread into coastal areas over the midweek, then ramp up over the weekend. It's not all gloom, though; the weekend brings a silver lining in the form of a cooling trend. "A trough of low pressure moving inland to the north will bring drier southwest flow aloft through next weekend", which means a cooling and lower level drying trend through Sunday, culminating in a return to around average temperatures for the parched deserts and marginally cooler conditions for the western valleys and inland coastal areas, as per the National Weather Service.
Meanwhile, mariners can expect smooth sailing as the forecast sees no hazardous marine conditions through Saturday. Still, with the unpredictable nature of monsoonal patterns, the National Weather Service advises that weather spotters keep their eyes on the horizon and report any significant conditions. For the moment, though the skies above might tell a different tale, no Skywarn activation is requested.
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