The Flood Watch highlights the potential for localized flooding in low-lying areas and regions prone to water accumulation. Residents in San Antonio and surrounding areas should remain vigilant, especially during periods of heavy rainfall. Thunderstorms may bring gusty winds and reduced visibility, posing risks to drivers and outdoor activities. Heat index values reaching 107°F (41.7°C) this afternoon could also lead to heat-related illnesses if precautions are not taken.