 Forecasters say there's a good chance Death Valley will reach 130 degrees before this heat wave is over. If it happens, it will reportedly set the record for the hottest temperature ever reliably measured on Earth. And forecasters say the record-breaking heat wave gripping much of the U.S. will hang on for a while. The National Weather Service predicts triple-digit temperatures, 15 to 30 degrees above average, will be likely across the West in the coming week. I'm Chris Coraggio.