The possible hazards include damaging winds, large hail, an isolated tornado, and torrential downpours. Dew points and ...

Air quality in the Chicago area has remained poor for three days in a row, the NBC 5 Storm Team reported Wednesday morning.

CHICAGO (WLS) -- An air quality alert was extended through Wednesday by the National Weather Service for the Chicago area.

Traffic circles prevent cars from zooming through residential intersections. They may annoy drivers, but they have proven ...

A clash of air masses on Wednesday will result in the threat of severe storms from Milwaukee and Chicago westward to Denver and the eastern Rockies.

Besides temperatures feeling in the high 90s Wednesday, Chicago and surrounding areas are under an air quality alert until ...

An Air Quality Alert has been issued through Tuesday for the Chicago area from wildfire smoke coming in from Canada.

Chicago’s heat streak continues with a possible round of late-day storms today, before a brief cooldown and then another warm-up next week.

Sensitive groups are advised to stay indoors and limit outdoor activities as pollution and ozone levels spike to unhealthy ...

Multiple U.S. states and Canadian provinces are experiencing poor air quality from wildfire smoke. Here's where.

As smoke from Canadian wildfires worsens air quality in Illinois, Dr. Brady Scott from Rush University explains how it affects your lungs and what you can do to stay safe.

The Indiana Department of Environmental Management said Northwest Indiana’s ozone levels are expected to be unhealthy for ...