St Clair County IL is replacing and upgrading it's hodge podge system of warning sirens. St Clair County is just across the river from St Louis and includes a number of communities such as East St Louis, Dupo, Sauget, East Carondolet, and a lot of unincorporated development. Here are links to stories from the St Louis area TV stations
https://www.ksdk.com/article/weather/se ... d5d0bb840a
https://www.kmov.com/2022/12/01/st-clai ... er-sirens/
https://fox2now.com/video/st-clair-coun ... m/8198960/