Light scattered showers, colder temperatures, and strong west winds will prevail on Tuesday as yet another trough of low pressure dips near the region on Valentine's Day. Accumulations are expected to remain light, mainly under 0.10" along the coast and under 0.25" inland. Dense clouds will keep temperatures cooler than normal by the afternoon as gusty west winds pick up, especially across the mountain and desert microclimates. MORE: https://www.cbs8.com/article/weather/forecast/san-diego-weather-update/509-addbcd08-0811-489a-b511-7cd202ccde99