San Antonio

San Antonio Braces for Mixed Weather with Showers, Thunderstorms and Soaring Heat Ahead

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Published on May 30, 2025
San Antonio Braces for Mixed Weather with Showers, Thunderstorms and Soaring Heat AheadSource: Wikipedia/Pridatko Oleksandr, Public domain, via Wikimedia Commons

As we roll into the weekend, San Antonio residents should prepare to navigate a mixed bag of weather conditions. The National Weather Service reports a 50 percent chance of showers and thunderstorms today, mainly before 10 a.m. For those planning outdoor activities, it might be wise to carry an umbrella just in case, as mostly cloudy skies are to dominate the day with highs nearing 88 degrees and northeast winds at 5 to 10 mph. Any new rainfall is expected to be less than a tenth of an inch, although this could be greater in areas hit by thunderstorms.

Heading into tonight, the clouds will continue to linger with lows dropping to around 72 degrees, and those northeast winds will persist at a mild 5 to 10 mph. The forecast going into Saturday doesn't differ greatly, as overcast conditions shall prevail with high temperatures to barely inch up, expectedly peaking at around 89 degrees and gentle east-northeast breezes caressing the region.

The National Weather Service also points to a slight chance of showers on Sunday, particularly between 1 p.m. and 4 p.m., followed by a slight chance of showers and thunderstorms after 4 p.m. Despite this, sunshine will make an appearance, pushing temperatures to a sizzling 94 degrees. A calm wind is expected to pick up to around 5 mph from the south in the afternoon.

Even as the new workweek approaches, San Antonio's weather won't shift dramatically. Predictions for Monday suggest a mostly sunny day, but with a 20 percent chance of showers and thunderstorms after 1 p.m. to potentially interrupt the tranquility. The heat continues to soar with highs near 95 degrees, while south-southeast winds will be blowing at 5 to 10 mph, gusting at times as high as 20 mph. Those planning on stepping out at night should expect partly cloudy skies with a low around 77 degrees and possibly keep a light jacket close at hand.

As we look toward the rest of the week, residents should expect a continuation of warm temperatures, with highs consistently near 96 degrees and nightly lows around the upper 70s. There remains a continuous, albeit modest, chance of showers and thunderstorms, hovering at 20 percent each day.