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,

A tornado watch is in effect for Freestone and Henderson counties until 8 p.m. A flood watch is in effect for Parker, Tarrant, Dallas, Collin, Rockwall, Ellis, Montague, Cooke, Grayson, Fannin, Lamar,