San Antonio, Texas – Dangerous heat is gripping San Antonio this weekend, with temperatures soaring past 100°F and heat index values hitting 106°F through Sunday. Afternoon thunderstorms could bring a brief reprieve, but the risk of strong storms and sweltering humidity remains high across Bexar County and surrounding areas.
According to the National Weather Service, a 30 percent chance of showers and thunderstorms arrives after 4 p.m. Friday and Saturday. While storms may provide temporary relief, roads could become slick and visibility may drop suddenly. Residents should limit outdoor activities during peak afternoon heat, hydrate often, and avoid leaving children or pets in vehicles.
The hottest hours are expected between 2 p.m. and 6 p.m. each day. Calm winds will shift southeast at 5 mph, but humidity will keep conditions oppressive, especially for those without access to air conditioning. City cooling centers remain open, and CPS Energy urges residents to conserve electricity during peak usage.
Next week brings a slight break, with Tuesday’s high near 98°F and lower overnight lows, but the threat of heat-related illness continues. Expect more updates if severe storms develop or heat advisories are extended.
Five Day Bullet Point Forecast:
- Friday: High 101°F, heat index 106°F. 30% chance of afternoon/evening thunderstorms.
- Saturday: High 101°F, heat index 104°F. Isolated afternoon storms possible.
- Sunday: Hot and mostly sunny, high near 100°F. Low around 79°F.
- Monday: Mostly sunny, high near 100°F. Low around 78°F.
- Tuesday: Mostly sunny, slightly cooler. High 98°F, low 77°F.
