Low Risk Illinois  ·  Tornado / Flash Flooding

Alexander County IL

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

5/ 10
Threat Score
Population
6
Area
236
sq miles
Primary Hazard
Tornado / Flash Flooding
FEMA Disasters
6
federally declared

Alexander County IL in Illinois faces tornado / flash flooding risk across its 236 square mile area. Cairo at the confluence of the Ohio and Mississippi Rivers serves this south Illinois county. Alexander 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 5 / 10    Low Risk
Primary Hazard Tornado / Flash Flooding
Secondary Hazard Mississippi River Flooding
FEMA Flood Zone Low
Federally Declared Disasters 6
Last Major Event 2019 Mississippi River Flooding
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (618) 734-0107
Emergency Shelters 2 designated facilities
Evacuation Routes State and US highways

// County Profile

County Alexander County IL
State Illinois (IL)
Population 6
Area 236 sq miles
FEMA Region Low

// 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.

🌊
Mississippi River Levee System IL/MO
Major Dam  ·  Cairo, IL  ·  US Army Corps of Engineers  ·  10-mi risk zone
9/10 High

Infrastructure risk data is for emergency preparedness awareness. Facility locations are publicly known. Always follow official emergency guidance.