Violent tornadoes ripped through parts of the U.S., wiping out schools and toppling semitractor-trailers in several states.

The trough will become mobile and brush the southern and central areas between Thursday and Friday as ... The chance of a thunderstorm on the southern plains. Winds east to northeasterly 20 to 30 km/h ...

Sunny. Light winds becoming north to northwesterly 15 to 20 km/h in the morning then becoming light in the middle of the day. Daytime maximum temperatures in the mid to high 30s. Mostly sunny. Winds ...