Low Risk Wisconsin  ·  Tornado / Flash Flooding

Pierce County WI

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

5/ 10
Threat Score
Population
41
Area
576
sq miles
Primary Hazard
Tornado / Flash Flooding
FEMA Disasters
6
federally declared

Pierce County WI in Wisconsin faces tornado / flash flooding risk across its 576 square mile area. Ellsworth serves this northwest Wisconsin county on the St. Croix River. Pierce 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 Mississippi River Flooding
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (715) 273-6740
Emergency Shelters 2 designated facilities
Evacuation Routes State and US highways

// County Profile

County Pierce County WI
State Wisconsin (WI)
Population 41
Area 576 sq miles
FEMA Region Low

// 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.

Prairie Island Nuclear Plant MN
Nuclear Power Plant  ·  Red Wing, MN  ·  Xcel Energy  ·  10-mi risk zone
8/10 High
🌊
Mississippi River Lock and Dam System MN WI
Major Dam  ·  Red Wing, MN  ·  US Army Corps of Engineers  ·  5-mi risk zone
8/10 High

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