The St. Louis City Justice Center lost power for roughly five hours on Friday, triggering a facility-wide lockdown and suspended visitations just as a dangerous regional heat wave pushed heat index values as high as 109 degrees. The outage began around 10:50 a.m. and power was not fully restored until 3:50 p.m., according to the City of St. Louis. Jail officials said the loss of power appeared to have been caused by a power surge.
Facility leaders told St. Louis Public Radio they were working with Ameren to resolve the outage, and the utility confirmed it was working to restore power to the facility. Jail officials said they had not received reports of medical emergencies as of Friday, and that they were providing detainees with extra ice and drinking water while making additional rounds to check on people inside. Detainee welfare is a top priority, jail officials said, adding that the Division of Corrections was monitoring the situation and mitigating risks with the tools available.
Heat Advisory Covers a Wide Swath of the Region
The outage struck in the middle of a heat advisory issued by the National Weather Service in St. Louis on August 9, covering St. Louis along with central Missouri, southeast Missouri, east central Missouri, and portions of southern Illinois. The advisory, which warns of dangerously hot conditions, remains in effect until 9 p.m. Sunday. Heat and high humidity events like this one are likely to significantly increase heat-related illnesses, a risk that becomes more acute for people confined indoors without reliable climate control.
Jail reform advocates said they received calls from families worried about loved ones inside the jail during the outage, per the same St. Louis Public Radio report. Built in 2002, the six-story City Justice Center has a maximum capacity of 860 detainees and held an average daily population of 777 this year, according to the City of St. Louis. It has served as the city's primary municipal jail since the closure of the Workhouse.
A Facility Already Under Scrutiny
This is not the first time extreme heat and detainee conditions have put St. Louis's jail system in the spotlight. In February, the city agreed to pay a $4 million settlement in a federal class-action lawsuit over conditions at its former Medium Security Institution, known as the Workhouse, where Hoodline previously reported temperatures exceeded 115 degrees without air conditioning for thousands of detainees held between 2012 and 2022.
Community advocacy groups launched a “No More Jail Deaths” campaign outside the City Justice Center in April, citing public records showing 22 detainee deaths at the facility since 2020, according to KSDK. In November 2024, St. Louis authorities opened an investigation into the death of a male detainee inside the jail, a case Hoodline covered at the time in its report on the jail's detainee death investigation.
Staffing Shortages Complicate Emergency Response
Understaffing has long strained the jail's ability to respond to crises. Reporting by The Marshall Project in April 2025 found that roughly half of the housing pods at the City Justice Center were routinely placed on 23-hour lockdowns because of severe correctional officer shortages, limiting detainees' access to showers and common areas even without an emergency like Friday's outage. St. Louis judges issued orders at least nine times over a two-month span in late 2024 and early 2025 requiring the jail to supply detainees with basic living necessities, according to KMOX.
Regional correctional facilities faced similarly critical staffing shortages in early 2026, with officer vacancies causing delays in medical care and restricted out-of-cell recreation time across St. Louis-area detention centers, per Prison Legal News. A July 2025 analysis by the Missouri Coalition for the Environment found that correctional facilities across the state face heightened environmental justice risks tied to outdated HVAC systems and inadequate cooling resources during extreme heat events, a pattern that frames Friday's power failure within a broader statewide vulnerability rather than an isolated glitch.
By Friday afternoon, power had been restored to the City Justice Center and jail officials had not reported any medical emergencies tied to the outage. The lockdown and visitation suspension came as the region's heat advisory remained active through the weekend, with the National Weather Service continuing to warn of dangerous heat index values across St. Louis and much of Missouri and southern Illinois.
