Siren activation happens under two parameters and storm conditions: Tornado Warnings issued by the NWS for affected portions of Boone County; Severe Thunderstorm Warnings that include the ...

The tornado siren at Brookside Cemetery in Tecumseh is pictured Monday, March 17, 2025. Lenawee County's annual, countywide tornado siren test is scheduled for 5:55 p.m. Thursday, March 20, 2025 ...

ST. LOUIS – St. Louis city officials will conduct a planned tornado siren test at 3 p.m. Tuesday, according to fire chief Dennis Jenkerson. The test could consist of several sirens and parts and ...

ST. LOUIS — After sirens did not go off on Friday ahead of the deadly EF3 tornado, St. Louis Mayor Cara Spencer signed an executive order to officially change the protocols on Tuesday. The St ...

Updated: May 21, 2025 / 10:19 AM CDT ST. LOUIS – St. Louis city officials will conduct another planned tornado siren test at noon Wednesday, according to mayor Cara Spencer.