The rain is pouring down on South Florida, prompting the National Weather Service in Miami to issue a flash flood warning Sunday. The warning is in effect for parts of Miami-Dade until 8 p.m.

A wide-reaching storm spawned several intense and violent tornadoes Wednesday, and threatens near-nonstop rainfall Thursday that could trigger once-in-a-lifetime flooding. Follow here for live updates.

A large part of South Texas is reeling from life-threatening flooding that began overnight and continued into Friday morning.

Devastating flooding hit the Rio Grande Valley on Thursday after repeated rounds of thunderstorms dumped as much as a foot of rain in less than 48 hours.