Advisory
Monthly Alert System Test
Monthly Alert System Test 
This is a monthly test of the Jefferson County, Illinois Emergency Alerting & Notification System. We are testing equipment that can quickly warn you during emergencies. If this had been an actual emergency such as a tornado, an official message would be displayed here.
Address/Location
Jefferson County
100 S 10th St
Mount Vernon, IL 62864
Contact
Emergency: 9-1-1
Non-emergencies: 618-244-8000