Areas like Death Valley could see temperatures of 125, while NWS Portland said in a post on X on July 4: "Confidence is increasing that this potentially historic heatwave will last several days." ...

On Saturday, Death Valley reached 128 degrees, breaking the daily record of 127 set on July 6, 2007. Las Vegas reached 115 degrees, tying with records in 2007 and 1989.

The staggering heatwave that has blistered the West Coast through the week is set to send temperatures in Death Valley to a staggering 129F, with much of the region under heat warnings.

The world record high air temperature of 134F was reported at Furnace Creek in Death Valley on July 10, 1913, according to the National Parks Service (NPS).

West Coast heat wave: About 50 million people warned of extreme heat; wildfires prompt evacuations Numerous temperature records are expected to be broken during this intense heat wave.

On Saturday, Death Valley reached 128 degrees, breaking the daily record of 127 set on July 6, 2007. Las Vegas reached 115 degrees, tying with records in 2007 and 1989.