Low Risk Wisconsin  ·  Tornado / Flash Flooding

Grant County WI

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

5/ 10
Threat Score
Population
51
Area
1,147
sq miles
Primary Hazard
Tornado / Flash Flooding
FEMA Disasters
6
federally declared

Grant County WI in Wisconsin faces tornado / flash flooding risk across its 1,147 square mile area. Lancaster serves this southwest Wisconsin corner county on the Mississippi. Grant 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 (608) 723-2675
Emergency Shelters 2 designated facilities
Evacuation Routes State and US highways

// County Profile

County Grant County WI
State Wisconsin (WI)
Population 51
Area 1,147 sq miles
FEMA Region Low

// Other Wisconsin Counties