Webster County
Missouri — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 45th
Webster County faces low composite natural disaster risk (NRI Risk Index score 44.6, 45th national percentile), driven primarily by ice storm and heat wave exposure. Expected annual loss across all 18 hazard types is $17M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Ice Storm | High | 1.43 / yr | $861K |
| Heat Wave | Medium | 12.37 / yr | $2M |
| Strong Wind | Medium | 5.26 / yr | $2M |
| Earthquake | Low | 0.00 / yr | $967K |
| Wildfire | Low | 0.00 / yr | $198K |
| Winter Weather | Medium | 11.74 / yr | $144K |
| Lightning | Medium | 56.50 / yr | $524K |
| Tornado | Medium | 0.41 / yr | $3M |
| Cold Wave | Low | 2.37 / yr | $1M |
| Landslide | Very Low | 0.47 / yr | $2K |
| Hail | Low | 6.82 / yr | $280K |
| Riverine Flood | Low | 4.39 / yr | $6M |
| Drought | Low | 3.25 / yr | $74K |
| Hurricane | Very Low | 0.01 / yr | $10K |
| 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 Webster County?
Webster County has a composite FEMA National Risk Index score of 44.6 out of 100, placing it in the Low category and the 45th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Webster County?
The three highest-rated hazards are Ice Storm (High, $861K EAL), Heat Wave (Medium, $2M EAL), Strong Wind (Medium, $2M EAL). These account for most of the county's expected annual losses.
How does Webster County compare to other Missouri counties?
Webster County ranks #68 of 115 Missouri 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. Webster County's $17M EAL is a statistical average, not a guarantee for any specific year or address.