The latest warning was issued at 7:39 p.m. for Lake County and eastern McHenry County, and was in place until 8:15 p.m.

The National Weather Service Chicago issued a tornado warning for Cook and DuPage counties set to last through 12:30 a.m. Tuesday as heavy wind and rain pummeled the Chicago area. Meteorologists ...

The Illinois EPA declared an Air Pollution Action Day in the Chicagoland area. Find out which counties are affected and what you should look out for.