All branches of Illinois Prairie District Public Library are closed on the following dates:
| November 26 | Wednesday | Closing Early at 4:00 pm |
| November 27 | Thursday | Thanksgiving Day |
| November 28 | Friday | Day after Thanksgiving Day |
| December 24 | Wednesday | Christmas Eve |
| December 25 | Thursday | Christmas Day |
| December 26 | Friday | Day after Christmas |
| December 31 | Wednesday | New Year’s Eve |
| January 1, 2026 | Thursday | New Year’s Day |
| January 19 | Monday | Martin Luther King, Jr. Day |
| February 16 | Monday | Presidents' Day |
| May 25 | Monday | Memorial Day |
| July 3 | Friday | Independence Day (observed) |
| July 4 | Saturday | Independence Day |
| September 7 | Monday | Labor Day |
| November 11 | Wednesday | Veterans Day |
| November 25 | Wednesday | Closing Early at 4:00 pm |
| November 26 | Thursday | Thanksgiving Day |
| November 27 | Friday | Day after Thanksgiving |
| December 24 | Thursday | Christmas Eve |
| December 25 | Friday | Christmas |
| December 31 | Thursday | New Year's Eve |
| January 1, 2027 | Friday | New Year's Day |