MO State Order · Half-Staff
Flags at Half-Staff for Patriot Day
September 11, 2026
Governor Mike Kehoe of Missouri ordered flags to be flown at half-staff on September 11, 2026, to honor those who lost their lives in the terrorist attacks on September 11, 2001. This annual observance, designated by Congress through Public Law 107-89, commemorates the nearly 3,000 individuals killed in the attacks and recognizes the courage of first responders and the resilience of the nation.
Flag protocol
Flags shall be flown at half-staff on Friday, September 11, 2026, from sunrise until sunset in observance of Patriot Day.
Source: oa.mo.gov
This state order follows a presidential proclamation: Flags at Half-Staff for Patriot Day.