Below is an interactive map of St. Louis County, with all 199 outdoor warning sirens identified. Click on any of the icons to be taken to that place on the map. You can also view a larger version of this map by clicking on "View Larger Map" below the map. You may also search for siren locations by zip code, by scrolling down to "St. Louis County Outdoor Warning System by Zip Code" below.
Each listing includes the siren ID number, the descriptive location, the latitude and longitude and a link to the exact location on a map. Click on the icon to be taken to the map of that siren location.