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.