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5h ago

Record May Heat Wave Grips South Central Texas with Extreme Warnings

Temperatures soar to unprecedented highs, triggering health alerts and raising concerns of a hotter-than-normal summer.

Commuters file under the shade Tuesday while waiting for bus in downtown Houston. Houston temperatures reached a high of 95, shattering the city’s 118-year-old daily heat record for May 13.
This infographic, courtesy of the regional National Weather Service office for Houston and Galveston, shows which Southeast Texas counties are under a heat advisory through Wednesday.
Heat index values, or humidity-driven “feels like” temperatures, across Central and South Texas are poised to reach to between 105 and 110 degrees Wednesday afternoon.
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Overview

  • The National Weather Service has issued an extreme heat warning for much of south central Texas, with temperatures reaching up to 111°F and heat index values as high as 112°F.
  • Austin, San Antonio, and Del Rio have all shattered May temperature records, with highs of 101°F, 103°F, and 109°F, respectively, far exceeding seasonal norms.
  • Authorities urge residents to stay hydrated, avoid sun exposure, and check on vulnerable individuals as heat-related illnesses become a significant risk.
  • Historical data from San Antonio suggests early-season heat waves often precede hotter-than-average summers, raising concerns about the months ahead.
  • The extreme heat warning remains in effect until 9 p.m. Wednesday, with forecasts predicting continued above-average temperatures in the coming days.