As temperatures soar in San Diego, locals can expect a mid-week reprieve with the advent of tropical moisture, which is set to bring cooler weather and chances of rain and thunderstorms. According to the National Weather Service San Diego, the heat will wane as we head into the second half of the week, punctuated by likely showers, particularly in mountainous regions and throughout San Diego County starting Wednesday afternoon.
While Tuesday saw the mercury pushing 4 to 8 degrees above average in coastal and valley areas and even higher in the deserts, relief is on its horizon. As stated by the National Weather Service San Diego, “The remnants of Tropical Storm Mario will bring increasing moisture for Wednesday into Thursday, along with increasing chances for showers and a chance for thunderstorms.” The coming days will observe a decrease in temperatures, with Thursday expecting highs of 8 to 12 degrees below average in the mountains.
Mariners and beachgoers should be on alert, as the forecast suggests a slight chance of thunderstorms extending through Friday, with higher risks in the afternoon and evening of Thursday. The National Weather Service advises that storm activity may result in hazardous conditions near the showers, including lightning and erratic winds. Looking ahead, San Diegans might experience another surge of tropical moisture as early as next week, courtesy of yet another developing tropical system.
For aviation interests, morning fog could pose a challenge with visibility down to 1-5 miles in certain areas, especially around the Santa Ana Mesa. However, any persistent low clouds are expected to scatter by mid-morning. Pilots should exercise caution as convection over the mountains could lead to thunderstorm activity from Tuesday afternoon into the evening, potentially affecting visibility and creating gusty winds. The regional skies are forecasted to fill with scattered, locally broken clouds commencing Tuesday evening, growing more extensive by Wednesday.
