SAN ANTONIO — The death toll from Thursday morning's flash flood that overwhelmed numerous cars in northeast San Antonio – pushing them off the roadway and into a nearby creek bed – has grown to 13, officials said.

Southeast Texas has been hit hard with severe rain as heavy storms continue to sweep through the area, with some areas reporting up to 10 inches of rainfall. Flash flood warnings are in effect across the region as emergency crews brace for additional severe weather.

Rain swept through Central Texas early Thursday, prompting flash flood warnings and leading to multiple road closures across Bell, McLennan, and Robertson counties.

The situation turned dire overnight as a half-foot or more of rainfall led to fast-moving floodwaters in parts of San Antonio and neighboring communities.

An updated flood watch was issued by the NWS Fort Worth TX on Thursday at 4:52 a.m. in effect until 7 p.m. The watch is for Denton, Collin, Parker, Tarrant, Dallas, Hood, Johnson, Grayson, Fannin, Lamar,

As another side effect of this week’s flooding, humidity levels are set to surge this weekend, causing dangerous heat index values.

A flood watch is in effect through Thursday evening for Tarrant, Dallas, Rockwall and Kaufman counties, according to the National Weather Service’s Fort

At least four people are dead, and several others were rescued after heavy rainfall and flash flooding inundated San Antonio, Texas.

A Weather Impact Alert Day has been issued for Friday as Southeast Texas can expect 1-2 inches of rain with possible flash flooding risks.

More rain and thunderstorms are on the way to North Texas on Wednesday. First Alert Weather Days are in effect for the threat of more heavy rain leading to flooding concerns Wednesday and Thursday.

Multiple people are dead and more are missing amid widespread flooding in a major city in Texas. At least four people have died and two are reported as missing amid the flooding in San Antonio on Thursday. The San Antonio Fire Department says that it rescued 10 people on Thursday alone, and that four people needed immediate medical attention.