The shower chances come as two iconic Chicago summer festivals, The Taste of Chicago and The Windy City Smokeout, continue into their second day.

Another round of storms is expected to hit the area later in the night, with flash flood warnings being issued for much of the metro area until 3 a.m. Thursday.

Chicago storms met derecho criteria, bringing widespread wind damage. Here’s what a derecho is and how these systems form.

A round of watches and warnings is in effect for parts of the Chicago area, some with the possibility of producing damaging hail and tornadoes.

Two rounds of storms, "very efficient rain makers," are expected to hit — one between 7 and 11 a.m. and the other between 3 and 10 p.m. The rain rates could exceed two inches per hour.

Community Unit School District 200 in Wheaton confirmed that at least two of the children who died Friday were students in the district.

The Chicago area was pounded by severe storms for hours on Thursday afternoon and evening, with multiple reports of tornado damage stretching from the southwest suburbs to northwest Indiana.