A heat warning has been issued for the DC region, with officials cautioning about extremely high temperatures. The area is expected to experience one of the hottest Fourth of Julys in decades.

Details about the warning are available from local news sources, including KTXS. The warning describes the heat as a "quadruple threat", although specific information about what this entails is not provided here.

For more information about the heat warning and its potential impact, readers can refer to the original source, KTXS, for further details and updates.