Waukesha County west of Milwaukee was the site of the November 2021 Waukesha Christmas Parade attack when a driver plowed into the parade killing six people and injuring 62 in one of the deadliest mass casualty vehicle attacks in US history. The Fox River creates flooding risk. The county is Milwaukee's primary western suburb with significant corporate headquarters and manufacturing. The Fox River has experienced recurring flooding events.
// 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.
- Emergency Food Supplies
- Water Filtration & Storage
- Backup Generator
- Solar Backup Power
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// Risk Intelligence
| Threat Score | 5 / 10 Moderate Risk |
| Primary Hazard | Tornado / Flash Flooding |
| Secondary Hazard | Severe Storm |
| FEMA Flood Zone | Moderate |
| Federally Declared Disasters | 5 |
| Last Major Event | 2021 Waukesha Parade Attack |
| Event Frequency | Annual |
// Emergency Operations
| Emergency Mgmt Phone | (262) 548-7116 |
| Emergency Shelters | 12 designated facilities |
| Evacuation Routes | I-94 I-43 WI-59 US-18 |
// County Profile
| County | Waukesha County WI |
| State | Wisconsin (WI) |
| Population | 404 |
| Area | 576 sq miles |
| FEMA Region | Moderate |
// Major Cities
// Cities in This County
// Other Wisconsin Counties
La Crosse County WI
Tornado / Mississippi River Flooding
6/10
Moderate
Juneau County WI
Tornado / Flash Flooding
5/10
Low
Waushara County WI
Tornado / Flash Flooding
5/10
Low
Buffalo County WI
Tornado / Flash Flooding
5/10
Low
Ozaukee County WI
Tornado / Flash Flooding
5/10
Low
Florence County WI
Winter Storm / Wildfire
5/10
Low