St. Charles County west of St. Louis along the Missouri River is one of the fastest growing counties in Missouri. The Missouri and Mississippi Rivers create serious flooding risk — the 2019 historic Missouri River flooding caused extensive damage to St. Charles County communities and farmland. The county faces moderate tornado risk and serves as part of the St. Louis western suburban ring hosting major logistics and manufacturing facilities.
// 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 | Missouri River Flooding |
| FEMA Flood Zone | High |
| Federally Declared Disasters | 8 |
| Last Major Event | 2019 Flooding |
| Event Frequency | Annual |
// Emergency Operations
| Emergency Mgmt Phone | (636) 949-3000 |
| Emergency Shelters | 14 designated facilities |
| Evacuation Routes | I-70 I-64 US-40 MO-94 |
// County Profile
| County | St. Charles County MO |
| State | Missouri (MO) |
| Population | 409 |
| Area | 561 sq miles |
| FEMA Region | High |
// Major Cities
// Cities in This County
// Other Missouri Counties
Jasper County MO
Tornado / Severe Storm
8/10
High
Scott County MO
Tornado / New Madrid Earthquake
7/10
Moderate
Pemiscot County MO
Tornado / New Madrid Earthquake
7/10
Moderate
Stoddard County MO
Tornado / New Madrid Earthquake
7/10
Moderate
Madison County MO
Tornado / Flash Flooding
6/10
Moderate
Newton County MO
Tornado / Flash Flooding
6/10
Moderate