The Hot Zone: More than 85% of Americans are expected to face temperatures above 90 degrees through the weekend. And the south-central US may hit triple digits, according to the National Weather Service. Many state and local officials have declared heat …

Baby It’s Hot: The world is cooking.   Heat advisories are in effect early this week for Texas, much of the Central and Southern Plains, most of Oklahoma and Arkansas, southwestern Missouri, and southeastern Kansas. All those areas could experience the hottest …