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,

Potentially deadly flash flooding, high-magnitude tornadoes and baseball-sized hail could hit parts of the Midwest and South on Wednesday.

Weather forecasts sometimes warn of storms that can unleash such unusual rainfall that they are described as 100-year or even 500-year floods.

Whether it’s large hail damaging houses and vehicles, heavy rainfall causing flooded roadways, or a tornado putting you and your family in a life-threatening situation.

Governor Abbott directs Texas emergency team to work with FEMA on damage assessments after South Texas floods.

The head of the U.S. International Boundary and Water Commission came to the Rio Grande Valley on Wednesday to survey flood damage and meet with local officials to discuss how the federal agency could have helped.

Another round of scattered storms overnight into Thursday morning. Then heavier, more widespread showers/storms Friday into Saturday, with a flood threat by the weekend.

Severe thunderstorms are possible in North Texas and could arrive as early as late Tuesday evening, bringing large hail, damaging winds and the risk of flooding, according to the National Weather Service.