The city of Joliet is located in the state of Illinois, in the United States of America. It is situated on the Des Plaines River, about 40 miles southwest of Chicago. Joliet is a major transportation hub, with both Interstate 80 and Interstate 55 running through it. The city is also served by the Rock Island District Metra commuter rail line. Joliet is perhaps best known as the home of the Hollywood Casino Joliet, one of the largest casinos in the United States. The city has a population of about 150,000 people.
Average temperatures during the day in Joliet.