Record heat across the West peaks on Tuesday as widespread high temperatures across the region are expected to be in the 80s and 90s. Cities like Seattle and Portland should be in the 80s while cities like Boise and Salt Lake City will be in the 90s. Temperatures in the Southwest will reach triple digits, including Las Vegas and Phoenix. High temperatures will return to more seasonal numbers for the Pacific Northwest beginning Wednesday, but the heat is here to stay for the remainder of the West through the week. Here’s the latest.