You still have time to request a mail in ballot. Registered Illinois voters can request vote-by-mail through the mail or in-person. You must have that request in by Oct. 29.
The application for vote-by-mail must be sent to the Election Authority for the jurisdiction in which you are registered. In person request must be made by Nov 2, get to moving and make sure your voice is heard. You can Download to vote-by-mail below. elections.il.gov/electionoperations/votingbymail.aspx.