‘Lethal temperatures’ warning issued for millions across California

Article excerpt

An extreme heat warning stretches across Northern California this weekend, with meteorologists using the phrase "lethal temperatures" to describe conditions expected to peak Sunday through Tuesday. Millions of residents face dangerously high heat as the region braces for what officials warn could be life-threatening weather. The National Weather Service has issued its most severe alert level, cautioning residents to limit outdoor activity and check on vulnerable neighbors. Heat-related illnesses and deaths spike sharply when temperatures reach extreme levels, making such warnings critical public health measures. Power grids often strain under peak cooling demand during these events, raising concerns about potential outages.