Southern California is set to experience a shift in weather, with rain expected to impact the region this week. Forecasters predict that cooler temperatures will accompany these rain showers, particularly in Los Angeles and Pasadena. A warm weekend is anticipated, with temperatures climbing into the 80s before a drop in temperature and potential rainfall on Tuesday. Residents should be prepared for light to moderate showers as the National Weather Service and NOAA note an improvement in local water conditions in the coming days. Additionally, hazardous winds may accompany the rain, prompting weather alerts across Southern California.