Severe weather and flash flooding continue to threaten much of the central and eastern U.S. on Thursday, disrupting Americans' travel plans.

After days of stormy conditions largely in the central United States drove power outages and led to at least three deaths, multiple additional days of back-to-back storms are expected in the region. Severe thunderstorms,

Millions across the United States are being impacted by severe storms bringing torrential rain and flash flooding. In Texas and Oklahoma, high waters prompted evacuations and rescues. Now, another round of potentially dangerous thunderstorms is on the way.