Low Risk Wisconsin  ·  Tornado / Flash Flooding

Green County WI

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

5/ 10
Threat Score
Population
36
Area
584
sq miles
Primary Hazard
Tornado / Flash Flooding
FEMA Disasters
6
federally declared

Green County WI in Wisconsin faces tornado / flash flooding risk across its 584 square mile area. Monroe the Swiss Cheese Capital serves this south Wisconsin county near Illinois border. Green 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 Tornado
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (608) 328-9400
Emergency Shelters 2 designated facilities
Evacuation Routes State and US highways

// County Profile

County Green County WI
State Wisconsin (WI)
Population 36
Area 584 sq miles
FEMA Region Low

// Other Wisconsin Counties