April 18 is the deadline for income tax returns in 2017. (Bigstock photos)

According to the Internal Revenue Service, midnight tonight is the deadline for most individuals to submit their state and federal tax returns. Those who miss the deadline could face penalties and interest charges.

If you would like an extension of federal taxes, consider Form 4869. For information on Illinois income taxes, visit: http://tax.illinois.gov.

If you’re looking for guidance on what documents to keep and how long to keep them, read “How Long to Keep Tax Records” by HouseLogic.

April 15 is typically the deadline for individual tax returns, but because April 15 falls on a Saturday and because April 17 is Emancipation Day in Washington, D.C., the deadline was extended to April 18, reports WGNtv.com.