No active half-staff order applies to Illinois.
Last checked Sep 22, 2026, 1:01 AM UTC.
The flag is currently full-staff. The next known order appears below.
Federal law requests that the U.S. flag be displayed at half-staff from sunrise to sunset on National Pearl Harbor Remembrance Day. The observance honors the service members and civilians who died in the December 7, 1941 attack and remembers the sacrifice that drew the nation into World War II.
Public Law 107-51 provides for the U.S. flag to be lowered to half-staff from sunrise to sunset for the National Fallen Firefighters Memorial Service. This observance honors firefighters who died in service to their communities and invites the country to pause in gratitude for their sacrifice.
The U.S. Flag Code provides that the flag is displayed at half-staff until noon on Memorial Day, then raised to full-staff for the remainder of the day. The morning lowering honors those who died while serving in the U.S. Armed Forces, while the noon raising symbolizes the nation carrying their legacy forward.
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Browse plain-language explainers for U.S. flag etiquette, half-staff terminology, state status pages, and national days of remembrance.
Mast is an informational flag-status tool. It helps answer whether a U.S. flag should be flown at full-staff or half-staff, why the order is active, and where to verify the official source.
Mast watches federal and state flag-status sources for half-staff orders, observances, and official notices.
Each detected order is organized by location, authority, start date, end date, and source so the current status is easier to read.
Mast is informational, so active orders include a source link when available and should be verified with the official notice when it matters.
Half-staff means lowering the flag below the top of the staff as a sign of mourning, remembrance, or honor for the period named in an official order.
Power badges, dashboards, and signage with current half-staff status.
Return whether flags are currently half-staff or full-staff for a selected jurisdiction, including the authority, active order, official source link, and timing Mast is using.
/api/v1/status?countryCode=US&stateCode=CO
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Mast tracks current federal flag orders and known Illinois local orders so residents, public buildings, schools, businesses, and local websites can quickly check whether flags should be at half-staff or full-staff today.
The Illinois source in Mast is Illinois Governor / illinois.gov, categorized as Official State Flag Honors Page. Illinois has an official source Mast can check for current flag status. Mast also uses the source to track historical Illinois half-staff notices when dated orders are available.
Illinois publishes an official Flag Honors page with flag honor policy, current or latest status text, and alert signup details. Historical flag orders are exposed through Illinois.gov search results, so the importer reads the current status page plus the official search feed and parses concrete sunrise, sunset, noon, and multi-day lowering windows when official Illinois notice text is present.
Mast answers a common question quickly: should a flag be at half-staff or full-staff today? The page shows the current status, the relevant authority, date range, and source when a known order is available.
The public API can also provide flag status data for websites, dashboards, signage, and small automations that need a simple JSON response.