Moderate Risk Iowa  ·  Tornado / Flash Flooding

Marion County IA

EMERGENCY PREPAREDNESS & DISASTER RISK PROFILE  ·  LAST UPDATED: Mar 2026

6/ 10
Threat Score
Population
33
Area
555
sq miles
Primary Hazard
Tornado / Flash Flooding
FEMA Disasters
7
federally declared

Marion County IA in Iowa faces tornado / flash flooding risk across its 555 square mile area. Knoxville serves this south-central Iowa county near the Des Moines River. Marion 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.

// Risk Intelligence

Threat Score 6 / 10    Moderate Risk
Primary Hazard Tornado / Flash Flooding
Secondary Hazard Blizzard
FEMA Flood Zone Moderate
Federally Declared Disasters 7
Last Major Event 2019 Tornado
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (641) 828-2217
Emergency Shelters 3 designated facilities
Evacuation Routes State and US highways

// County Profile

County Marion County IA
State Iowa (IA)
Population 33
Area 555 sq miles
FEMA Region Moderate

// Other Iowa Counties