A scorching heat wave from Texas and Louisiana is fueling heavy rains, severe thunderstorms, and flash floods in the Southeast that have already caused at least five deaths and left more than 400,000 without power.
As of early Monday, Oklahoma, Texas and Louisiana have seen severe weather-related power outages, per poweroutage.us.
Extreme heat warnings have been issued for almost 40 million people, and 4 million people in Louisiana, Arkansas, Tennessee and Mississippi are under tornado watches after activity in Mississippi was confirmed.
Houston is expected to experience temperatures exceeding 100 degrees Fahrenheit until June 22, higher than the average for this time of year.
According to the Electric Reliability Council of Texas (ERCOT), this week will likely see record-breaking power demand.