Clusters of strong thunderstorms are expected to sweep across eastern Pennsylvania and New Jersey late Thursday afternoon and Thursday evening.

A Tornado Watch is in effect, as is a Flood Watch, for large swaths of the Chicago area Wednesday. The possibility of stronger tornadoes is most likely from Ottawa to the Loop, especially on the South Side,

Strong storms have started moving into the Chicago area, particularly in the south and southeast suburbs and Northwest Indiana. The storms could bring tornadoes and flooding.

A major tornado watch has been issued for four U.S. states on Wednesday evening. Strong tornadoes have hit in multiple U.S. states in recent days, including Illinois, Colorado and Nebraska. More could be coming on Wednesday night.

Tornado watches and warnings have been issued across major parts of central and southern Illinois, as well as counties south of Chicago. Find out where.

Tornado hits Fraser, Michigan, causing extensive damage and reflecting a rise in the state's tornado frequency for the year.

Severe storms could bring damaging wind gusts, heavy rain and tornadoes with large hail to metro Detroit on Wednesday, June 18.