San Antonio Endures Prolonged Triple-Digit Heat Wave
San Antonio is experiencing a streak of triple-digit temperatures, with highs expected to remain in the 100-102°F range through at least the end of next week. While a slight weakening of the heat dome is possible later in the month,…
San Antonio, TX, August 19, 2026 —
San Antonio residents are currently facing a persistent and intense heat wave, with temperatures consistently reaching triple digits. Highs are forecast to remain within the 100-102°F range through the conclusion of next week.
The prolonged period of extreme heat is attributed to a heat dome, a high-pressure system that traps warm air. Forecasters indicate a possibility of the heat dome weakening later in the current month. However, this potential shift is not guaranteed, suggesting that the extreme temperatures may persist for an extended duration.
The city has been experiencing this streak of high temperatures for a significant period, impacting daily life and outdoor activities. Authorities continue to advise residents to take precautions against heat-related illnesses, including staying hydrated and limiting exposure to direct sunlight during peak heat hours.
Further updates on the weather pattern are expected as the month progresses, which will provide more clarity on the potential duration of the ongoing heat wave.
Story summarized from the original created by Justin Horne, Adam Caskey on www.ksat.com, see more information here.
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