Arizona hurricane risk
Cochise County has the highest hurricane risk in Arizona, scoring 34.2 out of 100 — rated "Very Low" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
NOAA events 2016–2026 |
|---|---|---|---|---|
| 1 | Cochise County | 34.2 | Very Low | 0 |
| 2 | Maricopa County | 26.6 | Very Low | 0 |
| 3 | Yuma County | 22.7 | Very Low | 0 |
| 4 | Pinal County | 18.8 | Very Low | 0 |
| 5 | Pima County | 18.7 | Very Low | 0 |
| 6 | Santa Cruz County | 17.3 | Very Low | 0 |
| 7 | La Paz County | 16.7 | Very Low | 0 |
| 8 | Graham County | 13.7 | Very Low | 0 |
| 9 | Apache County | 11.7 | Very Low | 0 |
| 10 | Gila County | 7.7 | Very Low | 0 |
| 11 | Greenlee County | 7.4 | Very Low | 0 |
| 12 | Coconino County | 0 | No Rating | 0 |
| 13 | Mohave County | 0 | No Rating | 0 |
| 14 | Navajo County | 0 | No Rating | 0 |
| 15 | Yavapai County | 0 | No Rating | 0 |
Source: FEMA National Risk Index v1.20.0, December 2025. Scores are 0–100 percentile rankings among all US counties. See the methodology page for definitions. Download the full CSV for all counties.
Hurricane risk nationally:
Other hazard risks in Arizona:
Frequently asked questions
What is the highest hurricane risk county in Arizona?
Cochise County, AZ has the highest hurricane risk in Arizona, with a FEMA National Risk Index score of 34.2 out of 100 (rated "Very Low").
What causes hurricane risk in Arizona?
Hurricane risk covers expected annual losses from tropical cyclone winds — storm surge is captured separately under coastal flooding. High scores concentrate along the Gulf Coast and Atlantic Seaboard from Texas through New England, with Florida's peninsula and barrier islands typically leading national rankings. The NRI score also accounts for population exposure and community resilience.