The National Weather Service (NWS) has extended a Heat Advisory as high temperatures have been forecast for the Santa Clarita Valley. Heat Advisories are issued when hot weather is expected to cause discomfort and may lead to heat-related illness for some people, especially those who are vulnerable to heat. Santa Clarita Valley: Tuesday, July 7 ... The post Heat Advisory Extended Due To High Temperatures Forecasted In The Santa Clarita Valley appeared first on KHTS Radio. ...read more read less