Oconto County
Wisconsin — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 61th
Oconto County faces low composite natural disaster risk (NRI Risk Index score 61.5, 61th national percentile), driven primarily by cold wave and lightning exposure. Expected annual loss across all 18 hazard types is $22M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Cold Wave | Medium | 6.01 / yr | $6M |
| Lightning | High | 29.89 / yr | $1M |
| Hail | Medium | 1.69 / yr | $665K |
| Riverine Flood | Low | 1.00 / yr | $13M |
| Landslide | Low | 0.20 / yr | $3K |
| Tornado | Low | 0.31 / yr | $2M |
| Strong Wind | Medium | 1.81 / yr | $595K |
| Wildfire | Very Low | 0.00 / yr | $24K |
| Winter Weather | Low | 15.92 / yr | $43K |
| Coastal Flood | Very Low | 0.01 / yr | $13K |
| Ice Storm | Low | 0.17 / yr | $37K |
| Heat Wave | Very Low | 0.83 / yr | $122K |
| Drought | Very Low | 0.32 / yr | $59 |
| Earthquake | Very Low | 0.00 / yr | $13K |
| Avalanche | Very Low | 0.00 / yr | $0 |
| Hurricane | 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 Oconto County?
Oconto County has a composite FEMA National Risk Index score of 61.5 out of 100, placing it in the Low category and the 61th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Oconto County?
The three highest-rated hazards are Cold Wave (Medium, $6M EAL), Lightning (High, $1M EAL), Hail (Medium, $665K EAL). These account for most of the county's expected annual losses.
How does Oconto County compare to other Wisconsin counties?
Oconto County ranks #40 of 72 Wisconsin counties for overall natural disaster risk, with a 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. Oconto County's $22M EAL is a statistical average, not a guarantee for any specific year or address.