Monona County IA in Iowa faces tornado / missouri river flooding risk across its 692 square mile area. Onawa on the Missouri River serves this west Iowa county. Monona serves as the county seat and regional emergency coordination hub.
// 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 / Missouri River Flooding |
| Secondary Hazard | Blizzard |
| FEMA Flood Zone | Moderate |
| Federally Declared Disasters | 7 |
| Last Major Event | 2019 Missouri River Flooding |
| Event Frequency | Annual |
// Emergency Operations
| Emergency Mgmt Phone | (712) 423-2491 |
| Emergency Shelters | 3 designated facilities |
| Evacuation Routes | State and US highways |
// County Profile
| County | Monona County IA |
| State | Iowa (IA) |
| Population | 9 |
| Area | 692 sq miles |
| FEMA Region | Moderate |
// Other Iowa Counties
Linn County IA
Tornado / Derecho
7/10
High
Dallas County IA
Tornado / Flash Flooding
6/10
Moderate
Lyon County IA
Tornado / Missouri River Flooding
6/10
Moderate
Wright County IA
Tornado / Flash Flooding
6/10
Moderate
Allamakee County IA
Tornado / Flash Flooding
6/10
Moderate
Greene County IA
Tornado / Flash Flooding
6/10
Moderate