San Antonio

San Antonians Brace for Searing Heat Wave with Limited Thunderstorm Relief

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Published on August 04, 2025
San Antonians Brace for Searing Heat Wave with Limited Thunderstorm ReliefSource: Google Street View

San Antonio is forecast to see hot weather this week with highs near the triple digits. Today, there is a 30 percent chance of showers and thunderstorms after 4 p.m., with a high near 99 degrees and heat index values up to 105 degrees, according to the National Weather Service.

There is a 30 percent chance of showers and thunderstorms before 7 p.m., followed by a partly cloudy night with a low around 77 degrees. On Tuesday, skies will be mostly sunny with a high near 97 degrees and heat indexes up to 102 degrees, with light winds shifting east in the afternoon. Tuesday night will be mostly clear with a low around 76 degrees. On Wednesday, skies will be sunny with a high near 98 degrees and light southeast winds in the afternoon, as stated by the National Weather Service.

The National Weather Service reports that high temperatures will continue through the weekend. On Thursday, the high is expected to reach near 99 degrees, and on Friday, near 100 degrees, with overnight lows in the high 70s. On Saturday, the high is forecast near 99 degrees, and on Sunday, near 98 degrees, with mostly sunny skies each day.