San Antonio, Texas Braces for Heatwave with Cold Front Ahead

Skyline of San Antonio, Texas under a clear blue sky during a heatwave.

San Antonio, TX, August 1, 2025

News Summary

San Antonio is currently facing a significant heatwave with temperatures approaching 100 degrees, while a rare summer cold front is expected to bring slight relief later in the week. The National Weather Service has forecasted increasing humidity and potential rainfall, particularly in the Dallas-Fort Worth area. While the cold front may alleviate temperatures slightly across North Texas, residents in San Antonio should remain aware of the ongoing heat and prepare for possible storms.

San Antonio, Texas Braces for Heatwave with Cold Front on the Horizon

San Antonio and much of Texas are experiencing a heatwave, with temperatures soaring into the triple digits. While the intense heat continues today, a rare summer cold front is expected to move into the area later this week, bringing a slight respite in temperatures and minor rain chances.

Yesterday, San Antonio reached temperatures nearing 100 degrees, and forecasts predict a repeat today. The National Weather Service has indicated that humidity levels will rise as high pressure shifts westward, making conditions feel even hotter. On Thursday, many cities across Texas, including San Antonio, Austin, and areas within the Dallas-Fort Worth metroplex, are expected to record some of the highest temperatures of the year.

On Thursday, temperatures in San Antonio will likely hover in the mid-70s during the morning but are expected to climb to around 100 degrees in the afternoon under partly cloudy skies. North Texas regions, including Dallas, Denton, and Sherman, may experience even hotter conditions with temperatures ranging from 102 to 105 degrees.

Cold Front Arrival and Its Effects

A weak summer cold front is anticipated to arrive in the Texas Panhandle and North Texas by Thursday evening, potentially leading to scattered showers and storms, especially in the DFW metroplex. This cold front may stall over the area, using its influence to reduce high temperatures by 5 to 10 degrees across North Texas.

Although the cold front is forecasted to be less impactful to regions further south, it may still provide slight relief to San Antonio, lowering temperatures to a range of 98 to 100 degrees through the weekend. Rain chances are expected to increase, with forecasts showing a 20% chance of precipitation on Friday and escalating to 30% on Saturday. During this period, isolated pop-up showers may develop from 3 p.m. to 7 p.m., however, overall rain accumulations remain modest.

Potential Storms and Weather Watches

A flood watch has been issued for the Hill Country and North Bexar County, where rain accumulations between 1 to 2 inches are possible, with some localized areas potentially seeing more than 3 inches. The increase in moisture also raises the potential for strong thunderstorms over the weekend.

Additional Context on Texas Weather and Culture

This spike in temperatures coincides with a study revealing that Texans are the most irritable travelers in the nation, particularly during delays or when faced with loud passengers. Meanwhile, food enthusiasts are taking note of the top five must-try foods at H-E-B, as highlighted by Food & Wine magazine, offering local flavor connections even in extreme weather.

San Antonio city officials, including City Council member Ric Galvan, are also gearing up for Project Marvel, a proposed entertainment complex that aims to become the new home for the San Antonio Spurs, showcasing ongoing developments within the city amidst weather challenges.

The National Hurricane Center is currently monitoring a potential development area in the Atlantic, which carries a 20% chance of transforming into a tropical depression or stronger system, adding another layer of precaution as Texas anticipates shifting weather patterns.

Conclusion

As Texans brace for extreme heat today, upcoming weather changes may provide minor relief in the days ahead. Residents are urged to stay hydrated and prepared for the possibility of storms and changing conditions throughout the week.

FAQ

What temperatures can we expect over the next few days?

Temperatures in San Antonio will reach close to 100 degrees today, and further south regions may see slight relief from a cold front moving in later this week.

Are there any rain chances this week?

Yes, there are isolated pop-up shower chances from Thursday to Saturday, particularly increasing to 30% on Saturday.

What safety precautions should residents take during the heatwave?

Residents are advised to stay hydrated, limit outdoor activities during peak heat hours, and remain informed about weather conditions.

What areas might see the most severe weather?

The DFW metroplex may experience the most severe weather, including scattered showers and potential storms associated with the incoming cold front.

How will the cold front affect temperatures?

The cold front is expected to lower high temperatures by 5 to 10 degrees, improving conditions slightly.

Key Weather Features

Feature Description
Current Temperature Around 100 degrees in San Antonio today
Expected Highs Thursday Triple digits (102-105 degrees) in various regions
Cold Front Arrival Late Thursday into Friday, affecting North Texas
Rain Chances 10%-30% from Thursday to Saturday
Flood Watch Issued for Hill Country and North Bexar County

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Additional Resources

STAFF HERE SAN ANTONIO WRITER
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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