The tornado watch is in effect till 7 p.m. for Chicago, the surrounding south and west suburbs and northwest Indiana. The National Weather Service warns of tornadoes, hail the size of ping-pong balls and 70 mph winds.

Some rain is expected to move into the area on Sunday, setting the risk for potentially severe storms on Sunday afternoon.

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,

A warm front is expected to move through the Chicago area this weekend, increasing the risk for potentially strong storms on Sunday. A few showers could move through parts of the area on Sunday ...