The flash flooding in Key West has disrupted daily life, with streets submerged and properties at risk of water damage. The heavy rainfall has also caused infrastructure issues, including downed power lines and malfunctioning traffic lights. Residents and visitors in Southern Florida, particularly in areas like Boca Raton, are advised to remain cautious as the region braces for more rain in the coming days. The potential for additional flash flooding remains high, especially in low-lying areas.