With the passing of Sunday night’s storm, temperatures have dropped dramatically and are expected to get lower with frost and freezing in some parts of Southern California. According to the National Weather Service, the storm that blew in Sunday night will be followed by a wave of cold air and strong winds on Tuesday, Valentine's Day. Tuesday morning, NWS reports it's expected to be 41 degrees in La Jolla and 43 degrees in Encinitas. Overnight lows will dip into the low 30s in the inland areas. Thursday could be even colder, with possible rain on the way. MORE: https://www.cbs8.com/article/news/local/cold-weather-forecasted-in-san-diego-heres-how-to-protect-your-plants/509-b7d2382e-2356-4e78-8dac-b203758594a6