Nevada avalanche risk
Clark County has the highest avalanche risk in Nevada, scoring 85.1 out of 100 — rated "Relatively Moderate" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
|---|---|---|---|
| 1 | Clark County | 85.1 | Relatively Moderate |
| 2 | Washoe County | 84.4 | Relatively Moderate |
| 3 | Elko County | 81.1 | Relatively Moderate |
| 4 | Douglas County | 77.5 | Relatively Low |
| 5 | Carson City | 77 | Relatively Low |
| 6 | Humboldt County | 76.9 | Relatively Low |
| 7 | Nye County | 72.1 | Relatively Low |
| 8 | Lincoln County | 59.6 | Very Low |
| 9 | White Pine County | 55.6 | Very Low |
| 10 | Lander County | 51.5 | Very Low |
| 11 | Pershing County | 47.7 | Very Low |
| 12 | Mineral County | 44.3 | Very Low |
| 13 | Churchill County | 43.3 | Very Low |
| 14 | Esmeralda County | 43.1 | Very Low |
| 15 | Eureka County | 31.9 | Very Low |
| 16 | Lyon County | 21.6 | Very Low |
| 17 | Storey County | 13.5 | Very Low |
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.
Avalanche risk nationally:
Other hazard risks in Nevada:
Frequently asked questions
What is the highest avalanche risk county in Nevada?
Clark County, NV has the highest avalanche risk in Nevada, with a FEMA National Risk Index score of 85.1 out of 100 (rated "Relatively Moderate").
What causes avalanche risk in Nevada?
Avalanche risk reflects expected annual losses from snow avalanche events, primarily affecting mountain counties in the West. The highest scores belong to Colorado, Utah, Montana, and Washington counties where active ski terrain, mountain highways, and communities overlap with historically active avalanche paths and high seasonal snowpack. Avalanche events are reported at forecast-zone level in NOAA Storm Events and are not included in county-level counts.