2026 Important Dates For Missouri County Government - Key Calendar of Closures and Meetings

Aug 20, 2026

Comprehensive 2026 calendar of key deadlines, government closures, and scheduled county-government activities across Missouri. Lists monthly state office closures for federal and state observances, including session start/end timing and legislative breaks, plus specific election days for charter and bonds. Highlights recurring leadership and professional development events such as MAC Board Meetings, NACo conferences, and multiple training programs for county officials and departments throughout the year.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages1

Reading Time3 min

AccessFree to download

January

MAC Board Meeting and Session Begins

February

Election Days and Training

March

Spring Conference and Legislative Break

April

Legislative Easter Break and Multiple Trainings

May

Board Meeting, Session Ends, and Memorial Day

June

HR Training and Juneteenth

July

Veto Deadline and Annual Conference

August

Election Day and Bills Become Law

September

Labor Day and Veto Session

October

Assessors and MACCTO Conference

November

Election Day and MAC Annual Conference

December

Pre-filing and Christmas Closure

January Jan. 1 – State offices closed/New Year’s Day Jan. 7 – Session Begins Jan. 19 – State offices closed/Martin Luther King Jr. Day Jan. 22 – MAC Board Meeting, Courtyard Marriott in Jefferson City February Feb. 3 – Official Election Day (bonds only) Feb. 12 – State offices closed/Lincoln’s Birthday Feb. 16 – State offices closed/President’s Day Feb. 19 – MAC Board Meeting, Courtyard Marriott in Jefferson City Feb. 21-24 – NACo Legislative Conference Feb. 25-27 – County Commissioners’ Training March March 4 – Official Election Day (charter only) March 11-13– Sheriffs’ Spring Conference March 16-20 – Legislative Spring Break April April 1-3 – Prosecutors’ Spring Training April 3 – Good Friday/MAC office closes at noon April 6 – Legislative Easter Break/No Session April 7 – Official Election Day April 14-15 – MAC Legislative Day April 22-24 – Recorders’ Training April 21-23 – Collectors’ Training April 21-24 – Public Administrators’ Training April 22-24 – Auditors’ Training May May 7 – MAC Board Meeting, Courtyard Marriott in Jefferson City May 8 – State offices closed/Truman’s Birthday May 8 – Appropriation bills must be Truly Agreed and Finally Passed May 15 – Session Ends May 25 – State offices closed/Memorial Day June 3 – MAC HR Training Day in Jefferson City June 19 – State offices closed/Juneteenth July July 3 – State offices closed/Independence Day (observed) July 14 – Last day for Governor to veto bills July 17-20 – NACo Annual Conference August Aug. 4 – Official Election Day Aug. 10-13 – Sheriffs’ Summer Conference Aug. 10-12 – MAC Summer Board Meeting Aug. 28 – Bills become law Aug. 31-Sept. 4 – Clerks’/Election Authorities’ Annual Conference September Sept. 2-4 – Prosecutors’ Fall Conference Sept. 7 – State offices closed/Labor Day Sept. 16 – Veto Session begins Sept. 22-25 – Circuit Clerks’ Training Sept. 23-25 – Treasurers’ Training October Oct.5-8 – Assessors’ Conference Oct. 6-7 – MACCTO Conference Oct. 12 – State offices closed/Columbus Day November Nov. 3 – Official Election Day Nov. 11 – State offices closed/Veteran’s Day Nov. 22-24 – MAC Annual Conference Nov. 26 – State offices closed/Thanksgiving Nov. 27 – MAC closed for Thanksgiving holiday December Dec. 1 – Pre-filing of legislative bills Dec. 25 – State offices closed/Christmas June

FAQs

Which 2026 dates include state office closures in Missouri?

The schedule marks multiple closures throughout the year for New Year’s Day, Martin Luther King Jr. Day, Lincoln’s Birthday, President’s Day, Memorial Day, Juneteenth, Independence Day (observed), Labor Day, Columbus Day, Veteran’s Day, Thanksgiving, and Christmas, among others.

When are the 2026 official election days for Missouri county matters?

The document lists official election days in February (bonds only), March (charter only), April 7 (official election day), May none listed, August 4 (official election day), and November 3 (official election day).

What major meetings and training events are scheduled during 2026?

It includes recurring MAC Board Meetings and annual/conference events such as the NACo Legislative and Annual Conferences, along with trainings for sheriffs, prosecutors, recorders, collectors, public administrators, auditors, and other county roles.

Aug 20, 2026

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