Violent storms threaten tornadoes and golf ball-sized hail from Illinois to eastern Texas on Sunday

A volatile weather system is poised to unleash severe thunderstorms across the central United States on Sunday, with the potential for tornadoes, large hail and damaging winds. Nearly 175 million people from Illinois to eastern Texas and beyond could be affected, as unseasonably warm air collides with a powerful cold front.

​ A volatile weather system is poised to unleash severe thunderstorms across the central United States on Sunday, with the potential for tornadoes, large hail and damaging winds. Nearly 175 million people from Illinois to eastern Texas and beyond could be affected, as unseasonably warm air collides with a powerful cold front. Read More Breaking News, Latest News and Videos | CNN