Nevada tornado risk
Washoe County has the highest tornado risk in Nevada, scoring 14.3 out of 100 — rated "Very Low" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
NOAA events 2016–2026 |
|---|---|---|---|---|
| 1 | Washoe County | 14.3 | Very Low | 1 |
| 2 | Clark County | 9.2 | Very Low | 0 |
| 3 | Douglas County | 2.6 | Very Low | 1 |
| 4 | Lyon County | 2.2 | Very Low | 0 |
| 5 | Humboldt County | 2.1 | Very Low | 2 |
| 6 | Storey County | 2 | Very Low | 0 |
| 7 | Carson City | 1.9 | Very Low | 0 |
| 8 | Lander County | 1.8 | Very Low | 1 |
| 9 | Churchill County | 1.7 | Very Low | 0 |
| 10 | Elko County | 1.7 | Very Low | 4 |
| 11 | Nye County | 1.5 | Very Low | 1 |
| 12 | Mineral County | 1.3 | Very Low | 0 |
| 13 | Pershing County | 1.2 | Very Low | 0 |
| 14 | Lincoln County | 1.1 | Very Low | 0 |
| 15 | Eureka County | 1 | Very Low | 0 |
| 16 | White Pine County | 1 | Very Low | 0 |
| 17 | Esmeralda County | 0.9 | Very Low | 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.
Tornado risk nationally:
Other hazard risks in Nevada:
Frequently asked questions
What is the highest tornado risk county in Nevada?
Washoe County, NV has the highest tornado risk in Nevada, with a FEMA National Risk Index score of 14.3 out of 100 (rated "Very Low").
What causes tornado risk in Nevada?
Tornado risk concentrates in the central and southern plains ("Tornado Alley") and the Southeast ("Dixie Alley"), where atmospheric conditions favor supercell thunderstorm development. The highest scores often belong to counties with significant mobile home and manufactured housing stock, which carries disproportionate tornado mortality risk.