Washakie County
Wyoming — Natural Disaster Risk Assessment
Very LowComposite Risk Score
National percentile: 24th
Washakie County faces very low composite natural disaster risk (NRI Risk Index score 24.4, 24th national percentile), driven primarily by landslide and earthquake exposure. Expected annual loss across all 18 hazard types is $6M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Landslide | Medium | 2.72 / yr | $69K |
| Earthquake | Low | 0.00 / yr | $656K |
| Wildfire | Low | 0.00 / yr | $99K |
| Riverine Flood | Low | 0.50 / yr | $5M |
| Cold Wave | Low | 0.91 / yr | $359K |
| Winter Weather | Low | 10.64 / yr | $24K |
| Volcanic Activity | Very Low | 0.00 / yr | $2 |
| Drought | Very Low | 77.54 / yr | $17K |
| Lightning | Very Low | 33.80 / yr | $57K |
| Avalanche | Very Low | 0.01 / yr | $22 |
| Tornado | Very Low | 0.17 / yr | $106K |
| Hail | Very Low | 0.53 / yr | $29K |
| Heat Wave | Very Low | 0.24 / yr | $8K |
| Ice Storm | Very Low | 0.01 / yr | $3K |
| Strong Wind | Very Low | 0.36 / yr | $31K |
| Coastal Flood | Very Low | 0.00 / yr | $0 |
| Hurricane | Very Low | 0.00 / yr | $0 |
| Tsunami | Very Low | 0.00 / yr | $0 |
Frequently Asked Questions
What is the overall natural disaster risk for Washakie County?
Washakie County has a composite FEMA National Risk Index score of 24.4 out of 100, placing it in the Very Low category and the 24th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Washakie County?
The three highest-rated hazards are Landslide (Medium, $69K EAL), Earthquake (Low, $656K EAL), Wildfire (Low, $99K EAL). These account for most of the county's expected annual losses.
How does Washakie County compare to other Wyoming counties?
Washakie County ranks #16 of 23 Wyoming 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. Washakie County's $6M EAL is a statistical average, not a guarantee for any specific year or address.