After a damp, windy, and cold Valentine's Day, changes are in store for Wednesday as skies clear, and wind speeds die down. While it's a calmer start to Wednesday, it's also a very cold one. Overnight low temperatures have plummeted between 10 and 20 degrees compared to where they were early Tuesday morning, leading to a Frost Advisory from the coast through inland valleys in San Diego County. MORE: https://www.cbs8.com/article/weather/forecast/san-diego-weather-update/509-addbcd08-0811-489a-b511-7cd202ccde99