A flood watch in counties south of Houston goes into effect Thursday morning and lasts through Friday as more than 6 inches of rain could fall.

A flood watch that was in effect for some Southeast Texas counties has been canceled, but isolated heavy rain is still possible on Friday.

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

Severe flooding swept through South Texas and border cities in Mexico on Thursday, as half a year's rainfall drenched the region in less than two days. And more rain is coming. Thunderstorms brought 10 to 15 inches of rain to parts of Texas,

Waves of downpours and thunderstorms continue across South Texas, driving a flooding and severe weather risk through late Friday. Some places could see up to a foot of rainfall, while others may face a low-end tornado risk.