Nearly 50 percent of registered Democratic voters would likely cast a vote for U.S. Sen. Dick Durbin in the 2018 race for Illinois governor, a new poll shows.

In response to the National Weather Service’s air quality alert, the Illinois Environmental Protection Agency has declared an Air Pollution Action Day for the Chicago area on Wednesday.

The year-and-a-half fight that Democrats have waged against Gov. Bruce Rauner’s “turnaround” agenda has coalesced nearly all of Illinois’ labor movement behind the Democratic Party, and nowhere is that more evident than in Philadelphia this week.

Hillary Clinton made history on the second night of the Democratic National Convention while former President Bill Clinton told a rapt audience how he met his wife. Elsewhere in the city, protests raged on.

Watch the July 26, 2016 full episode of "Chicago Tonight."

Cook County Board President Toni Preckwinkle, a Hillary Clinton delegate, says supporters of Vermont Sen. Bernie Sanders “will fall in line behind” Clinton.

Former Secretary of State Hillary Clinton on Tuesday became the first woman in the history of the U.S. to earn a major party's nomination for president.

With an estimated 300,000 attendees of the marquee music fest expected this weekend, Illinois medical officials are preparing for an influx of patients.

For years, petroleum coke – the black, powdery byproduct of tar sands oil refineries – plagued the Southeast Chicago area along the Calumet River. Community and environmental activists protested and eventually influenced legislation regulating how the dusty byproduct is stored locally.

Once again, the buzz among the Illinois Democratic delegation at breakfast Tuesday was the 2018 race for governor–and finding a challenger to take on Gov. Bruce Rauner.

Although plenty of Bernie Sanders supporters made their voices heard, Hillary Clinton's former presidential opponent stressed for unity, declaring Clinton "must become the next president of the United States."

While the Democratic National Convention began with fissures in the party, U.S. Rep. Luis Gutierrez says “people are coming together.”

Watch the July 25, 2016 full episode of "Chicago Tonight."

The Illinois delegation is divided among Hillary Clinton and Bernie Sanders supporters, and the latter are divided on whether or not to get behind the party's presumptive nominee. 

Gov. Bruce Rauner's agenda and finding a Democratic challenger to take him on in 2018 were the focus of the opening breakfast of the Illinois delegation on Monday at the Democratic National Convention in Philadelphia.