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10h ago

Texas Heat Wave Shatters May Records as Temperatures Soar to 111°F

Extreme heat warnings and advisories remain in effect as parts of Texas experience unprecedented mid-May temperatures, with heat index values exceeding 100°F.

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

  • Houston has broken multiple mid-May temperature records, with highs reaching 97°F and heat index values surpassing 100°F due to high humidity.
  • The National Weather Service has issued extreme heat warnings for Austin, San Antonio, and other south central Texas areas, where temperatures are forecast to hit 111°F.
  • Heat advisories are active across various regions, with thresholds adjusted to reflect local climatological norms, including heat index values of 105°F in some areas.
  • Historical analyses suggest that early May heat waves in San Antonio have often preceded hotter-than-average summers, raising concerns for the months ahead.
  • Meteorologists emphasize the health risks of extreme heat, urging residents to stay hydrated, avoid prolonged outdoor exposure, and check on vulnerable populations.