Kewaunee County
Wisconsin — Natural Disaster Risk Assessment
Very LowComposite Risk Score
National percentile: 17th
Kewaunee County faces very low composite natural disaster risk (NRI Risk Index score 17.3, 17th national percentile), driven primarily by cold wave and hail exposure. Expected annual loss across all 18 hazard types is $8M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Cold Wave | Medium | 5.16 / yr | $2M |
| Hail | Low | 1.43 / yr | $548K |
| Lightning | Low | 29.40 / yr | $214K |
| Tornado | Low | 0.21 / yr | $1M |
| Strong Wind | Low | 1.54 / yr | $423K |
| Coastal Flood | Very Low | 0.02 / yr | $6K |
| Landslide | Very Low | 0.05 / yr | $332 |
| Riverine Flood | Very Low | 0.68 / yr | $4M |
| Winter Weather | Very Low | 16.16 / yr | $23K |
| Heat Wave | Very Low | 0.95 / yr | $76K |
| Hurricane | Very Low | 0.01 / yr | $6K |
| Ice Storm | Very Low | 0.19 / yr | $10K |
| Earthquake | Very Low | 0.00 / yr | $16K |
| Wildfire | Very Low | 0.00 / yr | $4K |
| Avalanche | Very Low | 0.00 / yr | $0 |
| Drought | Very Low | 0.00 / yr | $0 |
| Tsunami | Very Low | 0.00 / yr | $0 |
| Volcanic Activity | Very Low | 0.00 / yr | $0 |
Frequently Asked Questions
What is the overall natural disaster risk for Kewaunee County?
Kewaunee County has a composite FEMA National Risk Index score of 17.3 out of 100, placing it in the Very Low category and the 17th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Kewaunee County?
The three highest-rated hazards are Cold Wave (Medium, $2M EAL), Hail (Low, $548K EAL), Lightning (Low, $214K EAL). These account for most of the county's expected annual losses.
How does Kewaunee County compare to other Wisconsin counties?
Kewaunee County ranks #68 of 72 Wisconsin counties for overall natural disaster risk, with a very low rating.
What does Expected Annual Loss (EAL) mean?
EAL is FEMA's estimate of average annual dollar losses from natural hazards, calculated from historical event data and exposure models. Kewaunee County's $8M EAL is a statistical average, not a guarantee for any specific year or address.