Oregon lightning risk
Marion County has the highest lightning risk in Oregon, scoring 88.2 out of 100 — rated "Relatively High" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
NOAA events 2016–2026 |
|---|---|---|---|---|
| 1 | Marion County | 88.2 | Relatively High | 0 |
| 2 | Lane County | 87.6 | Relatively High | 0 |
| 3 | Wheeler County | 87.6 | Relatively High | 0 |
| 4 | Deschutes County | 87.2 | Relatively High | 1 |
| 5 | Clackamas County | 83.2 | Relatively High | 1 |
| 6 | Washington County | 81.7 | Relatively Moderate | 1 |
| 7 | Grant County | 75.6 | Relatively Moderate | 0 |
| 8 | Linn County | 70 | Relatively Moderate | 0 |
| 9 | Jefferson County | 68.4 | Relatively Moderate | 0 |
| 10 | Crook County | 61 | Relatively Moderate | 1 |
| 11 | Jackson County | 60.4 | Relatively Moderate | 0 |
| 12 | Umatilla County | 55.2 | Relatively Low | 0 |
| 13 | Klamath County | 47.9 | Relatively Low | 0 |
| 14 | Douglas County | 46.2 | Relatively Low | 0 |
| 15 | Multnomah County | 45.8 | Relatively Low | 0 |
| 16 | Benton County | 41.2 | Relatively Low | 0 |
| 17 | Wasco County | 38.5 | Relatively Low | 0 |
| 18 | Yamhill County | 38 | Relatively Low | 0 |
| 19 | Harney County | 35.7 | Relatively Low | 0 |
| 20 | Polk County | 33.9 | Relatively Low | 0 |
| 21 | Union County | 30.3 | Relatively Low | 0 |
| 22 | Josephine County | 29.9 | Relatively Low | 0 |
| 23 | Malheur County | 29.3 | Relatively Low | 0 |
| 24 | Lincoln County | 28.2 | Relatively Low | 0 |
| 25 | Gilliam County | 27.1 | Relatively Low | 0 |
| 26 | Coos County | 24.9 | Relatively Low | 0 |
| 27 | Baker County | 23.4 | Very Low | 0 |
| 28 | Lake County | 21.5 | Very Low | 0 |
| 29 | Clatsop County | 18 | Very Low | 0 |
| 30 | Hood River County | 17.3 | Very Low | 0 |
| 31 | Morrow County | 15.6 | Very Low | 0 |
| 32 | Sherman County | 15.1 | Very Low | 0 |
| 33 | Wallowa County | 13.4 | Very Low | 0 |
| 34 | Curry County | 12.7 | Very Low | 0 |
| 35 | Tillamook County | 12.3 | Very Low | 0 |
| 36 | Columbia County | 4 | 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.
Lightning risk nationally:
Other hazard risks in Oregon:
Frequently asked questions
What is the highest lightning risk county in Oregon?
Marion County, OR has the highest lightning risk in Oregon, with a FEMA National Risk Index score of 88.2 out of 100 (rated "Relatively High").
What causes lightning risk in Oregon?
Lightning risk reflects expected annual losses from cloud-to-ground strikes, which ignite building fires, damage electrical systems, and cause fatalities. Florida consistently leads the US in lightning density. High scores also appear across the Gulf Coast, Southeast, and central Plains, where afternoon convective storms are most frequent in summer months.