Low Risk Illinois  ·  Tornado / Flash Flooding

Macon County IL

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

5/ 10
Threat Score
Population
107
Area
581
sq miles
Primary Hazard
Tornado / Flash Flooding
FEMA Disasters
6
federally declared

Macon County IL in Illinois faces tornado / flash flooding risk across its 581 square mile area. Decatur serves this central Illinois county with Sangamon River flooding and Millikin University. Macon 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 Winter Storm
FEMA Flood Zone Low
Federally Declared Disasters 6
Last Major Event 2019 Tornado
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (217) 424-1400
Emergency Shelters 2 designated facilities
Evacuation Routes State and US highways

// County Profile

County Macon County IL
State Illinois (IL)
Population 107
Area 581 sq miles
FEMA Region Low

// Major Cities

Decatur IL

// Cities in This County

// 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.

🏭
ADM Decatur IL Corn Processing Headquarters
Food Processing  ·  Decatur, IL  ·  Archer Daniels Midland Company  ·  5-mi risk zone
8/10 High
Sullivan Substation Illinois Chicago Grid
Power Plant  ·  Sullivan, IL  ·  Ameren Illinois  ·  5-mi risk zone
8/10 High
ADM Decatur IL Grain Processing
Chemical Facility  ·  Decatur, IL  ·  Archer Daniels Midland  ·  10-mi risk zone
7/10 High

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