St. Louis County to conduct siren test at 11am
ST. LOUIS, MO (KTVI) – There will be a test of the emergency communications network on Monday at 11am. Sirens will sound for one minute with a voice to notify St. Louis County residents of the activation.
St. Louis County Police say that the outdoor warning system is not designed for indoor use. But, the sirens and voice can be heard in many structures. They suggest a weather radio for indoor warnings.