St. Clair County in southwestern Illinois across the Mississippi River from St. Louis hosts Scott Air Force Base — headquarters of US Transportation Command responsible for coordinating all US military logistics worldwide. The county faces moderate tornado risk and serious Mississippi River flooding. Scott AFB makes St. Clair County one of the most strategically important military logistics counties in the United States. The Mississippi River flooding affects low-lying communities along the riverfront regularly.
// Preparedness Recommendations
- Evacuation routes inland should be identified in advance.
- Store at least 72 hours of food and water.
- Elevate critical belongings above flood level.
- Have backup power ready in case of grid failure.
// Recommended Supplies
Essential gear for power outages, severe weather, and emergency situations in your area.
- Emergency Food Supplies
- Water Filtration & Storage
- Backup Generator
- Solar Backup Power
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// Risk Intelligence
| Threat Score | 6 / 10 Moderate Risk |
| Primary Hazard | Tornado / Flash Flooding |
| Secondary Hazard | Mississippi River Flooding |
| FEMA Flood Zone | High |
| Federally Declared Disasters | 8 |
| Last Major Event | 2019 Mississippi Flooding |
| Event Frequency | Annual |
// Emergency Operations
| Emergency Mgmt Phone | (618) 277-6600 |
| Emergency Shelters | 12 designated facilities |
| Evacuation Routes | I-64 I-255 IL-159 IL-161 |
// County Profile
| County | St. Clair County IL |
| State | Illinois (IL) |
| Population | 259 |
| Area | 664 sq miles |
| FEMA Region | High |
// Other Illinois Counties
// Nearby Infrastructure Risks
Critical infrastructure facilities within or near this area that could affect civilian safety during emergencies, conflict, or infrastructure failures.
Infrastructure risk data is for emergency preparedness awareness. Facility locations are publicly known. Always follow official emergency guidance.