WI
Wisconsin
Comprehensive climate risk and disaster history profile
43
Billion-Dollar Events
$17.4B
Total Economic Impact
72
Counties
44.2
Avg Risk Score
Top Natural Hazards
Based on FEMA National Risk Index data across all 72 counties
Freeze
80.92
Avg Risk Score
Hail
66.9
Avg Risk Score
Strong Wind
63.65
Avg Risk Score
Tornado
62.74
Avg Risk Score
Heat Wave
60.15
Avg Risk Score
Lightning
57.22
Avg Risk Score
Disaster Type Breakdown
Historical billion-dollar events by category (1980-2024)
Severe Storm
34 events
$12.4B
Drought
4 events
$1.4B
Flooding
4 events
$3.7B
Winter Storm
1 events
$0.0B
Disaster Trends by Decade
How disaster frequency and costs have changed over time
Highest Risk Counties
Counties with the highest overall risk scores based on FEMA NRI
| Rank | County | Risk Score | Risk Rating | SVI Percentile |
|---|---|---|---|---|
| 1 | Milwaukee | 93.76 | 8396.0% | |
| 2 | Dane | 90.74 | 2027.0% | |
| 3 | Waukesha | 85.56 | 356.0% | |
| 4 | Rock | 81.26 | 4281.0% | |
| 5 | Kenosha | 78.4 | 5442.0% | |
| 6 | Winnebago | 78.24 | 2059.0% | |
| 7 | Brown | 78.11 | 2919.0% | |
| 8 | St. Croix | 76.11 | 137.0% | |
| 9 | Jefferson | 75.6 | 1875.0% | |
| 10 | Racine | 75.21 | 4637.0% |
Recent Major Events
Most costly billion-dollar disasters in the past 10 years
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