Low Risk Wisconsin  ·  Tornado / Flash Flooding

Winnebago County WI

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

5/ 10
Threat Score
Population
170
Area
584
sq miles
Primary Hazard
Tornado / Flash Flooding
FEMA Disasters
6
federally declared

Winnebago County WI in Wisconsin faces tornado / flash flooding risk across its 584 square mile area. Oshkosh on Lake Winnebago serves this east-central Wisconsin county with EAA AirVenture. Winnebago 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 2018 Lake Winnebago Flooding
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (920) 236-4777
Emergency Shelters 2 designated facilities
Evacuation Routes State and US highways

// County Profile

County Winnebago County WI
State Wisconsin (WI)
Population 170
Area 584 sq miles
FEMA Region Low

// Major Cities

Neenah WI Oshkosh WI

// Cities in This County

// Other Wisconsin Counties

// Nearby Infrastructure Risks

Critical infrastructure facilities within or near this area that could affect civilian safety during emergencies, conflict, or infrastructure failures.

Oshkosh Defense Oshkosh WI JLTV Plant
Military Installation  ·  Oshkosh, WI  ·  Oshkosh Defense  ·  5-mi risk zone
7/10 High

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