A new study reveals the emergence of an "extreme heat belt" from Texas to Illinois, where the heat index could reach 125°F at least one day a year by 2053.
The big picture: In just 30 years, climate change will cause the Lower 48 states to be a far hotter and more precarious place to be during the summer.
Officials warn a forecast downpour that has some 7 million people on flood watch won't be enough to stave off the need for drastic water cuts as the Colorado River's depleted reservoirs sink to near-crisis levels.
Driving the news: As the National Weather Service issued a flood watch for an area coveringfrom Arizona to Wyoming, the U.S. Bureau of Reclamation has given Western states that rely on the Colorado River Basin for water supplies until Tuesday to outline how they plan to make cuts.
