San Antonio Prepares for Extreme Heat Wave

News Summary

San Antonio is gearing up for a significant heat wave starting May 12, with temperatures likely exceeding 105°F. A Heat Advisory has been issued for most counties, including Bexar County. Residents are urged to take precautions as the heat index may feel as high as 107°F. CPS Energy is preparing for increased electricity demand, and local authorities emphasize safety measures for vulnerable individuals. The Texas Department of Transportation is distributing coolers and protective gear for outdoor workers. Community leaders stress the importance of staying safe during this oppressive weather event.

San Antonio is preparing for an extreme heat wave that is set to begin on May 12, 2025, with forecasted temperatures potentially exceeding 105°F. This period of intense heat is expected to last through May 14, making it a significant weather event for local residents.

A Heat Advisory has been issued for most counties in South Texas, including Bexar County, for May 12 and 13. The National Weather Service warns that expected temperatures could reach historic highs, potentially breaking the daily temperature record of 104°F that has stood since May 31, 2004. Weather models indicate this extreme heat wave arrives earlier than usual, as the average first occurrence of a 100-degree day in San Antonio typically falls on June 30.

On May 11, just before the heat wave hits, temperatures are projected to be in the low to mid-90s, setting the stage for a spike into triple digits. The heat index, which considers humidity and temperature, could feel as high as 107°F on some days, particularly during peak heating hours.

In anticipation of increased electricity demand due to the extreme temperatures, CPS Energy has proactively prepared its power plants to ensure continual service for residents. Notably, they have announced that there will be no service interruptions for those unable to pay during this period of extreme weather.

Local authorities are urging residents to take crucial precautions as the community braces for the oppressive heat. People are advised to limit outdoor activities between noon and 7 p.m., stay well-hydrated, and check on the welfare of vulnerable individuals, including the elderly and pets. The current dry atmosphere and lack of rainfall provide no respite, contributing to the relentless heat expected to persist through the weekend, with temperatures gradually decreasing only late in the week.

Additionally, the Texas Department of Transportation (TxDOT) is taking measures to protect outdoor workers during this extreme weather event. They will be distributing coolers filled with ice water and providing protective gear, such as sunshields for hard hats and breathable uniforms, to help reduce the risk of heat-related illnesses.

Officials emphasize that the initial wave of extreme heat can pose particular challenges for residents, whose bodies may not yet have acclimatized to such high temperatures. These early-season heat conditions could lead to higher instances of heat exhaustion and heat stroke if proper precautions are not taken.

As the city prepares for this severe heat wave, community leaders are urging all residents to remain vigilant and prioritize safety in the face of these record-setting conditions. The city will monitor the situation closely and provide updates as necessary to ensure public health and safety during this challenging weather event.

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Author: STAFF HERE SAN ANTONIO WRITER

The SAN ANTONIO STAFF WRITER represents the experienced team at HERESanAntonio.com, your go-to source for actionable local news and information in San Antonio, Bexar County, and beyond. Specializing in "news you can use," we cover essential topics like product reviews for personal and business needs, local business directories, politics, real estate trends, neighborhood insights, and state news affecting the area—with deep expertise drawn from years of dedicated reporting and strong community input, including local press releases and business updates. We deliver top reporting on high-value events such as Fiesta San Antonio, San Antonio Stock Show & Rodeo, and Dia de los Muertos. Our coverage extends to key organizations like the Greater San Antonio Chamber of Commerce and United Way of San Antonio and Bexar County, plus leading businesses in retail, insurance, and energy that power the local economy such as H-E-B, USAA, and Valero Energy. As part of the broader HERE network, including HEREAustinTX.com, HERECollegeStation.com, HEREDallas.com, and HEREHouston.com, we provide comprehensive, credible insights into Texas's dynamic landscape.

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