Siren Tones & Messages

St. Clair County sirens are tested the 1st Tuesday of each month at 4 p.m. Access the following warning types to hear the sounds:
Warning Tone
Siren Test
Wail Tone
Thunderstorm Warning
Alert (One long, high-pitched sound)
Tornado Warning
Alert (One long, high-pitched sound)
Flash Flood
Alert (One long, high-pitched sound)
Dam Failure
Air Horn
Hazard
High/Low
NOAA weather radios are tested every Wednesday between 11 p.m. and 12 a.m.