 I'm Stacey Lynn. Over a third of the population is sweating it out amid a record-breaking heat wave. CBS News Philadelphia meteorologist Andrew Kozak with details. West Coast, we have temperatures well into the upper 90s, low 100s, and that's, of course, including the desert southwest. Death Valley, California, all-time high ever hit back in 1913, 134 degrees, likely to hit 129 to 130 on your Sunday. Palm Springs on Friday, by the way, hit an all-time high ever at 124.