Ogle County
Illinois — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 71th
Ogle County faces low composite natural disaster risk (NRI Risk Index score 71.1, 71th national percentile), driven primarily by hail and cold wave exposure. Expected annual loss across all 18 hazard types is $36M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Hail | Medium | 4.13 / yr | $2M |
| Cold Wave | Medium | 5.68 / yr | $5M |
| Tornado | Medium | 0.68 / yr | $5M |
| Riverine Flood | Medium | 1.18 / yr | $21M |
| Strong Wind | Medium | 6.22 / yr | $1M |
| Drought | Medium | 11.22 / yr | $879K |
| Earthquake | Low | 0.00 / yr | $686K |
| Ice Storm | Low | 0.70 / yr | $163K |
| Landslide | Very Low | 0.14 / yr | $2K |
| Heat Wave | Low | 3.58 / yr | $304K |
| Lightning | Low | 41.29 / yr | $195K |
| Winter Weather | Very Low | 14.84 / yr | $20K |
| Hurricane | Very Low | 0.01 / yr | $4K |
| Wildfire | Very Low | 0.00 / yr | $5K |
| Avalanche | Very Low | 0.00 / yr | $0 |
| Coastal Flood | 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 Ogle County?
Ogle County has a composite FEMA National Risk Index score of 71.1 out of 100, placing it in the Low category and the 71th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Ogle County?
The three highest-rated hazards are Hail (Medium, $2M EAL), Cold Wave (Medium, $5M EAL), Tornado (Medium, $5M EAL). These account for most of the county's expected annual losses.
How does Ogle County compare to other Illinois counties?
Ogle County ranks #34 of 102 Illinois 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. Ogle County's $36M EAL is a statistical average, not a guarantee for any specific year or address.