 A group of young people in Hawaii recently settled with the state's transportation department, and cases are pending in Alaska and Utah. For NPR News, I'm Ellis Julin in Missoula. Extremely dangerous heat remains parked over nearly all of the western U.S. Forecasters say about 140 million people are under some kind of heat alert. Las Vegas could set a record today. This may be the fifth day in a row Vegas gets temperatures of 115 degrees or hotter. This is NPR.