Wallowa County
Oregon — Natural Disaster Risk Assessment
Very LowComposite Risk Score
National percentile: 34th
Wallowa County faces very low composite natural disaster risk (NRI Risk Index score 34.0, 34th national percentile), driven primarily by wildfire and avalanche 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
| Wildfire | Medium | 0.01 / yr | $2M |
| Avalanche | High | 0.07 / yr | $914K |
| Landslide | Low | 1.68 / yr | $10K |
| Winter Weather | Low | 17.60 / yr | $60K |
| Riverine Flood | Low | 0.61 / yr | $5M |
| Earthquake | Very Low | 0.00 / yr | $95K |
| Cold Wave | Low | 0.28 / yr | $421K |
| Ice Storm | Low | 0.03 / yr | $25K |
| Hail | Very Low | 0.37 / yr | $85K |
| Heat Wave | Very Low | 2.25 / yr | $57K |
| Drought | Very Low | 28.97 / yr | $392 |
| Lightning | Very Low | 20.75 / yr | $34K |
| Strong Wind | Very Low | 0.16 / yr | $21K |
| Tornado | Very Low | 0.10 / yr | $10K |
| Coastal Flood | 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 Wallowa County?
Wallowa County has a composite FEMA National Risk Index score of 34.0 out of 100, placing it in the Very Low category and the 34th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Wallowa County?
The three highest-rated hazards are Wildfire (Medium, $2M EAL), Avalanche (High, $914K EAL), Landslide (Low, $10K EAL). These account for most of the county's expected annual losses.
How does Wallowa County compare to other Oregon counties?
Wallowa County ranks #26 of 36 Oregon 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. Wallowa County's $8M EAL is a statistical average, not a guarantee for any specific year or address.