A heat advisory has been issued for Southern California by the National Weather Service. This indicates that hot and humid weather is expected in the region this week. The advisory suggests that temperatures will be high, but specific details about the heat and humidity are not provided here.

For more information on the heat advisory and how it may affect the area, readers can refer to the original source. Further details about the heat advisory, including the specific areas that will be most affected, can be found in the original report from the National Weather Service, as reported by the Los Angeles Times.