~ St. Louis, MO - After receiving multiple reports of Outdoor Warning System sirens failing to sound during the monthly test on July 1, 2024, the City of St. Louis Emergency Management Agency (CEMA) has announced plans to conduct additional testing on Thursday, July 11, 2024. The testing will take place between 8:00 a.m. and 12:00 p.m. and residents will be notified that it is only a test.

Typically, the sirens are tested on the first Monday of every month, weather permitting. However, in cases of potential severe weather or confusing weather conditions, the monthly test may be canceled on the morning of the first Monday.

According to Sarah Russell, Commissioner for CEMA, it is important for residents to remember that these sirens are meant to be heard outdoors. While they may be audible inside homes or buildings, their primary purpose is to alert individuals to seek shelter from incoming hazards.

The current Outdoor Warning System in St. Louis is 25 years old and in need of updates and improvements. In April of this year, CEMA announced its plan to allocate $3.9 million towards a replacement system and ongoing maintenance. The Board of Public Service has issued a Request for Qualifications and is currently in the process of selecting a vendor for planning, implementation, and installation of the new system.

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The City of St. Louis Emergency Management Agency is dedicated to ensuring public safety and provides various ways for residents to receive information about potential hazards in the city. One such avenue is through the NotifySTL alert system which allows residents to sign up and receive alerts via text message, phone call or email based on their location and interests. This system was launched in 2019 and all information provided by residents is protected and used solely for notification purposes. To register for NotifySTL alerts, visit

In addition to signing up for alerts, city residents are also encouraged to invest in a battery-powered National Oceanic and Atmospheric Administration (NOAA) Weather Radio. This will ensure that they stay informed about changing weather conditions, especially in the event of potential power outages.

The City of St. Louis Emergency Management Agency is committed to keeping residents safe and informed. With the upcoming additional testing of the Outdoor Warning System and the ongoing efforts to update and improve it, residents can rest assured that their safety is a top priority for CEMA.

Filed Under: Government, City

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