San Diegans prepare for a gusty Thursday as the National Weather Service in San Diego forecasts breezy Santa Ana winds sweeping through the area. According to the NWS San Diego, wind speeds could range from 40 to 50 mph, particularly strong near the Cajon Pass. The wind will continue overnight into Friday, though slightly weaker, with the strongest gusts around 30 to 40 mph. This wind event could impact travel through passes and canyons, making driving conditions hazardous for high-profile vehicles.
The winds bring warmer temperatures, with coastal areas seeing highs from 65 to 72 degrees and inland valleys and Orange County increasing to 72 to 78 degrees. For those residing in the mountains between 4000 ft and 7000 ft, they can expect a range of 52 to 65 degrees, while the high desert will enjoy 63 to 68 degrees, and the low desert will have the warmest temperatures ranging from 77 to 82 degrees.
Beyond the blustery conditions, the NWS San Diego's Area Forecast Discussion detailed a shallow marine layer near the coast, with patchy low clouds and potential fog through Friday morning. The marine layer will lift, but even as it does, onshore conditions may create intermittent coastal clouds, resulting in reduced visibility during morning hours. These conditions are expected to be more isolated heading into Friday, with similar impacts likely for southern San Diego County.
Looking ahead, a high-pressure system will usher in even warmer weather, prompting temperatures to climb well above season averages, potentially 10 to 20 degrees higher by early to mid-next week. Inland valleys west of the mountains might see the mercury rise to 80 degrees by Friday. However, the high reaches of Coachella Valley and western mountain valleys could be treated to temperatures soaring over 90 degrees and 85 degrees, respectively. This wave of warmth is predicted to be ephemeral as the chance of a low-pressure system moving towards the region late next week could bring a welcome cool down.
For those concerned about marine conditions, the outlook includes no immediate hazards through Saturday. Meanwhile, the aviation sector should expect some turbulence due to the Santa Ana winds, with gusts reaching 25-40 knots and moderate updrafts and downdrafts likely over mountains. Aviation interests should monitor and prepare for intermittent gusty conditions in affected areas.
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