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.

Several Illinois counties are under a tornado watch as a storm moves northward through the state. The following counties are under a tornado watch as of 3:35 p.m.: Champaign, Christian, Clark ...

Hot and humid weather will continue this week throughout Illinois, with scattered storms likely to cool off certain areas.

An Extreme Heat Warning is in place until 9 p.m. on Tuesday near St. Louis, in Jersey, Madison, Monroe and Saint Clair counties, as well as in central, northern and southern Cook counties until ...

Several Illinois counties are under a tornado watch as a storm moves northward through the state. The following counties are under a tornado watch as of 3:35 p.m.: Champaign, Christian, Clark ...

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.

The National Weather Service also issued a severe thunderstorm warning including wind gusts of up to 70 mph and pea-size hail for much of northern Illinois, including Rockford, DeKalb, Elgin and ...