The National Weather Service in San Diego is forecasting a notable shift in the weather patterns for the region, bringing cooler temperatures and a series of showers extending from late tonight into the weekend. According to their latest report, coastal areas can expect high temperatures to hover between 64 to 72 degrees today, a dip from the previous day. In comparison, inland valleys will experience highs ranging from 70 to 76 degrees. The low desert will witness the warmest temperatures, with highs expected to be between 76 to 80 degrees. A downward temperature trend is anticipated as a low-pressure system from the northwest strengthens the onshore flow and brings much cooler conditions on Friday and Saturday.
Wind velocities are also predicted to increase significantly, as the National Weather Service advises that “Southwest to west winds will strengthen late tonight and continue through Friday afternoon,” before experiencing a gradual decrease by Friday night. Mountainous regions and deserts are alert for gusts that could accelerate to 35 to 45 mph. Periods of showers are expected to commence late tonight, reaching their peak on Friday, with rainfall amounts varying from one-tenth of an inch near the coast to potentially an inch in mountain areas. The
National Weather Service San Diego
also notes that snow levels will drop significantly, likely to reach 5000 to 5500 feet on Friday and falling even lower, to around 4000 feet, late Friday night into Saturday.
As the system progresses, snowfall in higher elevations is projected to accumulate, with “3 to 6 inches possible, mostly above 5500 feet,” as the
National Weather Service
reported. This comes with a stark decrease in temperatures across the board, as the mountains may face conditions 15 to 20 degrees below average. The forecast suggests a dry and warmer Sunday, followed by a slight cooling trend at the beginning of the week before temperatures rebound to warmer conditions midweek with the return of gusty northeast to east winds.
The impact on marine activities is also predicted to be significant, prompting a Small Craft Advisory set in place from Thursday afternoon to early Saturday morning. The
Area Forecast Discussion
warns of “northwest winds strengthen[ing] this afternoon ahead of a Pacific weather system,” which could lead to steep, wind-driven seas and potentially hazardous marine conditions. Wind speeds may peak at 20 to 25 knots with gusts to 30 knots on Friday afternoon, though conditions are expected to improve by Saturday.
The National Weather Service is not calling for Skywarn activation, but they have encouraged weather spotters to remain vigilant and report any significant conditions. As the region braces for the incoming weather changes, residents in susceptible areas, such as the mountains and deserts, are advised to prepare for windy and cooler conditions. At the same time, mariners should take heed of the advisories and exercise caution.
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