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.

At least 14 counties across northern Illinois are experiencing moderate drought conditions in all or portions of the county as of July 1. Precipitation over the past 30 days across northern ...

The warning was in place for northern Kendall, northwestern Will, southeastern DeKalb, southern Kane, and southwestern DuPage counties.

Scattered severe storms popped off in Northern Illinois Tuesday evening. A Severe Thunderstorm Warning was issued for parts of La Salle and Livingston counties Tuesday evening, but expired at 7 p.m.

AQI scale explained Here's a breakdown of the EPA's AQI scale for those who are unaware: Good (0 to 50): Air quality is satisfactory, and air pollution poses little or no risk. Moderate (51 to 100 ...

A massive dust storm was racing toward Chicago and the rest of northern Illinois, putting motorists and people with respiratory illnesses at risk, weather officials warned Friday evening.