The National Weather Service in San Diego forecasts a scorching day for much of the region. Temperatures in the valleys and inland Orange County are predicted to soar 10-18 degrees above normal highs for this time of year. According to the NWS San Diego, the scorching weather is due to high-pressure aloft. Anticipate the peak of the heat wave today, especially in densely populated areas where the mercury is expected to hit the 90s.
Moreover, the NWS San Diego warns of "critically low humidity Wednesday afternoon" stemming from the dry Santa Ana winds, amplifying fire risks. Residents in affected areas should be vigilant and ready to adopt fire safety measures quickly. In an Area Forecast Discussion released by the National Weather Service San Diego, "the stronger gusts" of the Santa Ana winds are expected to be 25 to 35 mph. This may cause hazardous conditions in certain regions, urging locals to stay alert and to prepare to safeguard their homes and communities.
A slight reprieve in the heat is predicted for Thursday and Friday, as the area cools down with temperatures dropping closer to average. However, the weekend is forecasted to heat up again, with highs 5-10 degrees above normal, before another cooling phase begins early next week as onshore flow strengthens and the marine layer deepens.
Additionally, dense fog has been reported by NWS San Diego, reducing visibility in coastal areas and impacting travel. With the mist expected to "spread back locally inland near the San Diego County coast before clearing to near the coast during the morning," a Dense Fog Advisory has been issued until 8 AM this morning. The fog poses a challenge to visibility and is a reminder of the complex dance between nature's elements that can swiftly change conditions on the ground. High temperatures are set to be a few degrees warmer, but locals can anticipate cooler days ahead as high pressure abates and onshore flows gain strength.
