San Antonio, TX – Residents should prepare for potential severe thunderstorms and extreme heat on Tuesday, July 15th. Dangerous heat conditions are expected, with afternoon heat index values soaring near 102°F. Additionally, scattered thunderstorms could develop by Tuesday afternoon, bringing lightning risks and brief, heavy downpours.
According to the National Weather Service (NWS), storms will likely form after 1 p.m., particularly impacting afternoon commutes along major roadways such as I-10, Loop 1604, and U.S. Route 281. These storms could result in reduced visibility and hazardous driving conditions. Residents are advised to monitor weather updates closely and plan accordingly.
Outdoor workers and residents spending extended periods outside should stay hydrated, wear light-colored clothing, and take frequent breaks in shaded or air-conditioned areas. Ensure pets and vulnerable individuals, such as young children and the elderly, remain indoors or adequately shaded during peak heat hours.
Looking forward, conditions in San Antonio will remain hot and largely clear from Wednesday through Friday, with daily highs consistently in the mid-90s. However, temperatures will climb again into the upper 90s by Saturday, potentially reaching 99°F by Sunday.
Here’s a detailed five-day forecast:
- Tuesday (July 15): Afternoon thunderstorms, heat index near 102°F, high around 95°F.
- Wednesday (July 16): Mostly sunny, high of 96°F.
- Thursday (July 17): Sunny and clear, high of 96°F.
- Friday (July 18): Partly cloudy, high around 97°F.
- Saturday (July 19): Partly cloudy, hotter conditions return, high nearing 99°F.
- Sunday (July 20): Clear skies, high temperature expected to reach 99°F.
