How long can Chicago avoid excessive heat?

July is historically the hottest month of the year for Chicago, but the area has been spared excessive heat so far. A cooler pattern coming soon means we will avoid the steamy stuff for at least a few weeks.

How is air quality measured?

As smoky air from Canada’s wildfires shrouds broad swaths of the U.S., here are seven facts you should know about measuring air quality.

Watch: Tornado rips through Indiana apartment complex

Deaths have been reported in Indiana and Georgia after severe weather, including tornadoes, tore paths of destruction from the Midwest to the South on Sunday, leaving more than a half-million people without power.

Chicago area's drought deepens and expands

The severe drought area in northern Illinois has doubled in size in just one week. Some rain could be coming but will it be enough to put a serious dent in the ongoing drought?