Macon County
Missouri — Natural Disaster Risk Assessment
Very LowComposite Risk Score
National percentile: 37th
Macon County faces very low composite natural disaster risk (NRI Risk Index score 36.8, 37th national percentile), driven primarily by landslide and lightning exposure. Expected annual loss across all 18 hazard types is $11M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Landslide | Low | 0.48 / yr | $18K |
| Lightning | Medium | 47.48 / yr | $551K |
| Tornado | Medium | 0.35 / yr | $2M |
| Heat Wave | Low | 8.79 / yr | $589K |
| Hail | Low | 3.40 / yr | $361K |
| Drought | Low | 7.97 / yr | $259K |
| Earthquake | Very Low | 0.00 / yr | $316K |
| Wildfire | Very Low | 0.00 / yr | $49K |
| Riverine Flood | Low | 1.04 / yr | $6M |
| Strong Wind | Low | 3.05 / yr | $390K |
| Cold Wave | Low | 3.89 / yr | $418K |
| Winter Weather | Low | 10.68 / yr | $21K |
| Ice Storm | Very Low | 0.37 / yr | $21K |
| Hurricane | Very Low | 0.01 / yr | $6K |
| 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 Macon County?
Macon County has a composite FEMA National Risk Index score of 36.8 out of 100, placing it in the Very Low category and the 37th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Macon County?
The three highest-rated hazards are Landslide (Low, $18K EAL), Lightning (Medium, $551K EAL), Tornado (Medium, $2M EAL). These account for most of the county's expected annual losses.
How does Macon County compare to other Missouri counties?
Macon County ranks #74 of 115 Missouri 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. Macon County's $11M EAL is a statistical average, not a guarantee for any specific year or address.