first alert weather September 14, 2024 9:09 am Excessive heat warning in effect for Broward and Miami-Dade counties NBC6’s Chelsea Ambriz explains the weather alert. US & World Videos 3:13 Florida City, Homestead communities call for end to gun violence 2:25 South Miami school zone warning period ending 2:04 Hialeah teen who confessed to killing mom appears virtually in status hearing 2:34 Scammers using artificial intelligence to commit title fraud 2:30 Judge rejects lawsuit to remove Miami Commissioner Joe Carollo from office