An early summer heat wave set record temperatures across the Southwest on Friday and Saturday, with many more records likely to fall in the coming days.
The entire state of Texas is under a heat advisory or excessive heat warning, with the mercury topping 105 across much of the western part of the state.
Death Valley set a record high of 123 degrees on Friday and is expected to hit 125 degrees on Saturday.
There were record highs in Las Vegas, Austin, Texas and Phoenix.
Just before 4 p.m., Austin hit 103 again. The record high for June 11 was two degrees higher than the previous record, while a 97 degree reading in Houston set a new record.
More than 70,000,000. That's how many people are under a heat advisory.
As a high pressure system creates a huge area of stagnant air, commonly called a heat dome, that is expected to push toward the Southeast, where cities like Atlanta could deal with record heat, temperatures will slowly moderate over the Southwest.
Climate scientists warn that heat waves like this one this early in the summer will become more common as a result of the continuing rise in global temperatures. Death Valley's 123 degree reading on Friday was the third warmest in the history of the United States.
Up to two feet of snow is expected for elevations above 7,000 feet in northwestern Montana between Monday evening and Tuesday night.
The heat wave is dangerous and deadly.
The study says that Earth could experience once-per-century heat waves every other year.