Overview

• Cities like San Antonio, Austin, and Houston are experiencing some of their highest-ever May temperatures, with forecasts exceeding 100°F for multiple consecutive days.
• The National Weather Service has issued heat advisories for Central and South Texas, warning of elevated risks for heat-related illnesses due to the early-season timing.
• San Antonio is forecast to break its all-time May temperature record of 104°F, with highs potentially reaching 107°F on Wednesday.
• The heat wave, caused by a high-pressure ridge trapping hot air, extends beyond Texas, with extreme temperatures spanning from the northern Plains to southern Canada.
• Scientists attribute the increasing frequency and intensity of such heat events to climate change, signaling a likely hotter-than-average summer for much of the U.S.