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City of St. Louis Emergency Management
Monday September 1st, 2025 :: 09:53 a.m. CDT

Advisory

Monthly Siren Test

The City of St. Louis will conduct a single test of the Outdoor Warning Siren system today, Monday, September 1, at 11:00 AM. THIS IS ONLY A TEST. No additional tests will occur today. 

Please use this time to review and update your emergency plans and check for expired supplies in your emergency kit. You can report whether or not you heard the test by contacting the Citizens' Service Bureau at (314) 622-4800, on Twitter @STLCSB, or on the city website www.stlouis-mo.gov. Please provide specifics on whether you were inside or outside, and an approximate address of your location. You may also report issues with the siren system at any time by contacting the Citizens' Service Bureau. 

stlouis-mo.gov/ema

Address/Location
City of St. Louis Emergency Management
1915 Olive St
St. Louis, MO 63103

Contact
Emergency: 9-1-1

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