CNN — A dangerous heat wave is bringing sweltering temperatures to much of the US this weekend, including over parts of the Ohio Valley and mid-Atlantic. Meanwhile, a tropical system could develop this weekend through the southwest Gulf of Mexico. Here’s the latest: •Millions of Americans under heat alerts: More than 100 million Americans, including those in the highly populated I-95 corridor, are under heat alerts through the weekend. A heat emergency is in effect for Washington, DC, where upper 90s and even triple-digit temperatures for the first time since 2016 will be possible. •Tropical system could develop: A new tropical system could develop quick this weekend on the heels of Alberto. A system with a medium chance of tropical development could mimic Alberto’s track through the southwestern Gulf of Mexico and into northeastern Mexico this weekend, according to the National Hurricane Center. While this system is not expected to be as large as Alberto, it could bring more rain to S...
