Moderate Risk Illinois  ·  Tornado / Severe Storm

Sangamon County IL

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

5/ 10
Threat Score
Population
202,631
Area
877
sq miles
Primary Hazard
Tornado / Severe Storm
FEMA Disasters
26
federally declared

Sangamon County and Springfield in central Illinois sit in a moderate tornado corridor. The Sangamon River creates significant flooding risk through the county's agricultural communities. Springfield is the state capital and home to critical government infrastructure. The March 2023 tornado outbreak produced severe weather across central Illinois.

// Preparedness Recommendations

  • Identify an interior room or storm shelter.
  • Monitor NOAA weather alerts continuously.
  • Keep emergency kit accessible at all times.
  • Prepare for sudden power outages.

// Recommended Supplies

Essential gear for power outages, severe weather, and emergency situations in your area.

// Risk Intelligence

Threat Score 5 / 10    Moderate Risk
Primary Hazard Tornado / Severe Storm
Secondary Hazard Flash Flooding
FEMA Flood Zone Zone X (Moderate Risk)
Federally Declared Disasters 26
Last Major Event Tornado (March 2023)
Event Frequency Major event every 6–7 years

// Emergency Operations

Emergency Mgmt Phone (217) 753-6630
Emergency Shelters 14 designated facilities
Evacuation Routes I-72 East, I-55 North, I-55 South, US-36 West

// County Profile

County Sangamon County IL
State Illinois (IL)
Population 202,631
Area 877 sq miles
FEMA Region Zone X (Moderate Risk)

// Major Cities

Springfield 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.

Clinton Power Station IL
Nuclear Power Plant  ·  Clinton  ·  Constellation Energy  ·  10-mi risk zone
6/10 Moderate
🏥
Memorial Medical Center Springfield IL
Major Hospital  ·  Springfield, IL  ·  Memorial Health  ·  25-mi risk zone
6/10 Moderate

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