Out of caution, schools in San Diego County’s Mountain Empire Unified School District will be closed Friday due to high winds, which makes traveling to and from school challenging, especially for high-profile vehicles such as school buses. The San Diego County Office of Education issued the cl osure on Thursday amid dry and hot Santa Ana wind conditions. The National Weather Service has issued a high wind warning for inland, mountain and foothill areas in San Diego County, along with a heat advisory for coastal areas, that started Thursday. For a list of schools in the district, click here. This story uses functionality that may not work in our app. Click here to open the story in your web browser. ...read more read less