 On Tuesday, Las Vegas flirted again with an all-time high temperature of 120. That was reached on Sunday, but it settled for a new daily mark of 119. The searing heat wave gripping large areas of the country also led to record daily highs in Oregon, where it's suspected to have caused six deaths, the state medical examiner said Tuesday. More than 161 million people across the country were under heat alerts on Tuesday, especially out west.