Holiday Observed – Memorial Day Serving Benton, Henry, Johnson, Lafayette, Pettis and Saline County, Missouri. Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: May 28, 2029 all-day Repeats 2029-05-28T00:00:00-05:00 2029-05-29T00:00:00-05:00 In observation of Memorial Day, all WILS offices will be closed Monday. Regular business hours will resume Tuesday.