San Antonio, TX – Dangerous heat will grip South-Central Texas this week, with temperatures peaking near 100°F Wednesday and a chance for late-day thunderstorms that could disrupt evening commutes. Heat index values may reach 103°F Tuesday and Wednesday, creating elevated risks for heat-related illness.
According to the National Weather Service, a 20% chance of showers and thunderstorms will develop after 1 p.m. Wednesday, followed by partly cloudy skies overnight. South winds between 5 and 15 mph could bring gusts up to 20 mph later in the week. The hot, humid stretch will persist through Friday, with little overnight relief as lows hover in the upper 70s.
City officials urge residents to limit strenuous outdoor activity, stay hydrated, and check on vulnerable neighbors. Those attending outdoor events should prepare for sudden weather changes Wednesday afternoon and have shelter options in place.
The heat wave will remain entrenched into the weekend, with a slight dip to 97°F Saturday before returning to near 99°F Sunday. More alerts may be issued if storm chances increase.
Five Day San Antonio, TX Forecast:
- Tuesday: Sunny and hot. High 99°F, low 78°F.
- Wednesday: 20% chance of afternoon thunderstorms. High 100°F, low 78°F.
- Thursday: Hot and sunny. High 100°F, low 78°F.
- Friday: Mostly sunny. High 99°F, low 78°F.
- Saturday: 20% chance of afternoon thunderstorms. High 97°F, low 77°F.
