Southern California is preparing for a refreshing shift in weather, with temperatures expected to decrease and a slight chance of rain. Following an unusually warm March, the region anticipates a significant cooldown, offering a much-needed break from the recent heatwave. According to the Los Angeles Times, a low-pressure system is moving into Southern California, bringing cooler air and a possibility of light showers. Residents can expect widespread high temperatures in the 60s°F (15-20°C) by Tuesday and Wednesday. This marks a considerable drop from the record highs experienced in cities like Lancaster and Palmdale, where temperatures recently soared to 88°F (31°C).