Low Risk Illinois  ·  Tornado / Flash Flooding

Iroquois County IL

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

5/ 10
Threat Score
Population
28
Area
1,117
sq miles
Primary Hazard
Tornado / Flash Flooding
FEMA Disasters
6
federally declared

Iroquois County IL in Illinois faces tornado / flash flooding risk across its 1,117 square mile area. Watseka serves this large northeast Illinois farming county with Iroquois River flooding. Iroquois 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 (815) 432-6950
Emergency Shelters 2 designated facilities
Evacuation Routes State and US highways

// County Profile

County Iroquois County IL
State Illinois (IL)
Population 28
Area 1,117 sq miles
FEMA Region Low

// Other Illinois Counties