Oregon avalanche risk
Baker County has the highest avalanche risk in Oregon, scoring 91.2 out of 100 — rated "Relatively High" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
|---|---|---|---|
| 1 | Baker County | 91.2 | Relatively High |
| 2 | Deschutes County | 88.9 | Relatively High |
| 3 | Wallowa County | 87.1 | Relatively High |
| 4 | Clackamas County | 86.5 | Relatively High |
| 5 | Union County | 83.5 | Relatively Moderate |
| 6 | Douglas County | 82.7 | Relatively Moderate |
| 7 | Klamath County | 81.9 | Relatively Moderate |
| 8 | Crook County | 78.4 | Relatively Low |
| 9 | Umatilla County | 76.3 | Relatively Low |
| 10 | Wasco County | 73.2 | Relatively Low |
| 11 | Jefferson County | 73 | Relatively Low |
| 12 | Grant County | 72.8 | Relatively Low |
| 13 | Harney County | 71.5 | Relatively Low |
| 14 | Malheur County | 70 | Relatively Low |
| 15 | Wheeler County | 65.4 | Very Low |
| 16 | Sherman County | 63 | Very Low |
| 17 | Gilliam County | 62.9 | Very Low |
| 18 | Lane County | 49 | Very Low |
| 19 | Morrow County | 47.1 | Very Low |
| 20 | Josephine County | 45.2 | Very Low |
| 21 | Curry County | 44.4 | Very Low |
| 22 | Lake County | 39.2 | Very Low |
| 23 | Tillamook County | 38.9 | Very Low |
| 24 | Linn County | 38 | Very Low |
| 25 | Coos County | 34.8 | Very Low |
| 26 | Marion County | 33 | Very Low |
| 27 | Jackson County | 32.5 | Very Low |
| 28 | Lincoln County | 24.3 | Very Low |
| 29 | Hood River County | 23.7 | Very Low |
| 30 | Multnomah County | 18.4 | Very Low |
| 31 | Clatsop County | 18.1 | Very Low |
| 32 | Polk County | 14.6 | Very Low |
| 33 | Benton County | 11.1 | Very Low |
| 34 | Washington County | 10.2 | Very Low |
| 35 | Yamhill County | 6.9 | Very Low |
| 36 | Columbia County | 4.7 | 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 Oregon:
Frequently asked questions
What is the highest avalanche risk county in Oregon?
Baker County, OR has the highest avalanche risk in Oregon, with a FEMA National Risk Index score of 91.2 out of 100 (rated "Relatively High").
What causes avalanche risk in Oregon?
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.