MO Sales Tax Holiday 2018 Missouri Sales Tax - FreeHoliday 2018 3 - Day Tax Free Holiday MO Sales Tax Holiday 2018 Set a Reminder Enter your email address below to receive a reminder message. Email address Select the amount of Days before the event -- Select Days Before Event -- 1 Day 2 Days 3 Days 1 Week Submit Date and Time Friday Aug 3, 2018 Sunday Aug 5, 2018 August 3, 2018 at 12:01 am to August 5, 2018 Set a Reminder Enter your email address below to receive a reminder message. Email address Select the amount of Days before the event -- Select Days Before Event -- 1 Day 2 Days 3 Days 1 Week Submit Share × Print Email Add to Calendar Facebook Twitter LinkedIn Tell a Friend × Select Calendar Type × Google Yahoo iCal (Outlook, Apple, or other)