 ABC News, I'm Chuck Sieverton. The July 4th break for millions of Americans does not mean a break from this, says ABC News forecaster Samara Theodore. The heat persists for the central and southern portions of the country, with excessive heat warnings from New Orleans all the way to Oklahoma City, feeling as hot as 115 degrees. The first hurricane of the season, Beryl, headed to the Caribbean. Forecasters say it could become a major dangerous storm, hitting Barbados tomorrow or Monday before it eventually hits Mexico.