The high temperature on Friday, May 17, 2024, may reach 100 degrees at the Las Vegas airport, according to the National Weather Service. Robert Fralick and his dog Koko cool off from the heat is the fountains at Bill Briare Park as hot weather increases across the valley on Friday, July 14, 2023, in Las Vegas. (L.E. Baskow/Las Vegas Review-Journal) @Left_Eye_Images