Over the weekend and into the next week, San Diego is expecting a range of weather conditions. The area should anticipate light rain, with totals often staying below 0.1 inches, according to NWS San Diego. But up to 0.5 inches of rain might fall in mountainous regions like San Bernardino County. The most of this precipitation is expected to occur late this afternoon and into tonight.
Additionally, the weather will bring strong gusts, especially in mountain passes and deserts. Between Saturday and Sunday morning, wind gusts in the deserts and on the mountain slopes may reach 25 to 35 mph, while on the mountain passes, they may reach 35 to 45 mph.
The same source predicts that today will be colder than Friday. Temperatures will be somewhat above normal in the deserts but below normal west of the mountains. With the exception of arid regions, where temperatures will be closer to average, the decreasing trend is predicted to continue into Sunday.
An area prediction discussion from NWS San Diego indicates that an atmospheric river that affects central California is gradually flowing southward. Southern California will experience lower temperatures and more moisture due to the weather trend. By this afternoon or evening, regions such as southwestern San Bernardino County, western Riverside County, and northern Orange County may see light precipitation. Significant rainfall is less likely to occur as the atmospheric river approaches regions south and east of Los Angeles since it is predicted to lose a lot of its energy and moisture as it moves southeast.
This system is expected to produce higher onshore flows with gusty west winds across the mountain regions and nearby desert slopes today and Sunday, notwithstanding the low levels of rainfall. Wind gusts of 35 to 40 mph were possible in the mountains. Through the middle of the week, cloud cover linked to this system will also keep daytime maximum temperatures west of the Rockies 5–10 degrees below seasonal averages. Another possible moisture surge is expected to keep the cold, erratic weather through Wednesday. As the weather patterns change, conditions are expected to get drier and warmer by the end of next week.
The good news for sailors is that through Wednesday, there won’t be any dangerous sea conditions. Weather spotters are urged to report any noteworthy situations they see during this time of variable weather, but they are not asked to activate Skywarn.
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