More than six million people under tornado watch in Texas

The National Weather Service reported that there is a risk of severe storms in southeast Texas. The agency explained that the state could see tennis ball-sized hail. Isolated wind damage is expected tonight.

"More isolated severe storms will be possible into Alabama and western Georgia," the National Weather Service explained.

The Houston Chronicle reported that "the following counties in Texas are included in the tornado watch: Austin, Colorado, Grimes, Hardin, Harris, Jasper, Liberty, Montgomery, Newton, Polk, San Jacinto, Tyler, Walker, Waller and Washington."