Low Risk Wisconsin  ·  Tornado / Flash Flooding

Columbia County WI

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

5/ 10
Threat Score
Population
57
Area
774
sq miles
Primary Hazard
Tornado / Flash Flooding
FEMA Disasters
6
federally declared

Columbia County WI in Wisconsin faces tornado / flash flooding risk across its 774 square mile area. Portage serves this central Wisconsin county where Wisconsin and Fox Rivers meet. Columbia 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 Flooding
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (608) 742-9660
Emergency Shelters 2 designated facilities
Evacuation Routes State and US highways

// County Profile

County Columbia County WI
State Wisconsin (WI)
Population 57
Area 774 sq miles
FEMA Region Low

// Other Wisconsin Counties