San Antonio is bracing for potential flooding as heavy rains are forecasted for the region, with several inches expected in the coming days. Meteorologists are monitoring the situation closely, particularly along the Llano River, where major flooding is anticipated overnight. The National Weather Service has issued a Flood Watch for areas west and northwest of San Antonio. Residents are urged to stay vigilant as rain may disrupt Fourth of July plans, impacting fireworks displays. While the weekend forecast indicates a mix of sunny and humid weather, isolated thunderstorms and downpours remain a possibility. With a 50% chance of rain threatening to dampen celebrations, locals are advised to keep an eye on updated weather reports.