National Weather Service issues Tennessee heat advisory ahead of Fourth of July

The National Weather Service has issued a heat advisory for Tennessee as a dangerous and prolonged heat wave prepares to scorch parts of the central and eastern United States. This intense weather event occurs ahead of Fourth of July celebrations, with temperatures expected to reach the 90s and 100s. High humidity levels will further increase the heat index values, pushing them well above 100 degrees across the affected regions of the country.