Idaho wildfire risk
Idaho County has the highest wildfire risk in Idaho, scoring 98.7 out of 100 — rated "Relatively High" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
NOAA events 2016–2026 |
|---|---|---|---|---|
| 1 | Idaho County | 98.7 | Relatively High | 0 |
| 2 | Ada County | 98.3 | Relatively High | 0 |
| 3 | Elmore County | 97.6 | Relatively High | 0 |
| 4 | Valley County | 97.5 | Relatively Moderate | 0 |
| 5 | Boise County | 97.2 | Relatively Moderate | 0 |
| 6 | Bannock County | 96.9 | Relatively Moderate | 0 |
| 7 | Adams County | 96.7 | Relatively Moderate | 0 |
| 8 | Gem County | 96.5 | Relatively Moderate | 0 |
| 9 | Clearwater County | 96.4 | Relatively Moderate | 0 |
| 10 | Owyhee County | 95.8 | Relatively Moderate | 0 |
| 11 | Washington County | 95.6 | Relatively Moderate | 0 |
| 12 | Gooding County | 95.3 | Relatively Moderate | 0 |
| 13 | Cassia County | 94.7 | Relatively Moderate | 0 |
| 14 | Twin Falls County | 94 | Relatively Moderate | 0 |
| 15 | Blaine County | 93.8 | Relatively Moderate | 0 |
| 16 | Lemhi County | 93.2 | Relatively Moderate | 0 |
| 17 | Canyon County | 92.5 | Relatively Moderate | 0 |
| 18 | Latah County | 92.1 | Relatively Moderate | 0 |
| 19 | Lincoln County | 92 | Relatively Moderate | 0 |
| 20 | Teton County | 90.9 | Relatively Moderate | 0 |
| 21 | Bonneville County | 90.3 | Relatively Moderate | 0 |
| 22 | Jerome County | 90.2 | Relatively Moderate | 0 |
| 23 | Payette County | 90 | Relatively Moderate | 0 |
| 24 | Nez Perce County | 89.3 | Relatively Moderate | 0 |
| 25 | Power County | 89 | Relatively Moderate | 0 |
| 26 | Fremont County | 87.1 | Relatively Low | 0 |
| 27 | Custer County | 87 | Relatively Low | 0 |
| 28 | Lewis County | 85.9 | Relatively Low | 0 |
| 29 | Bingham County | 83.6 | Relatively Low | 0 |
| 30 | Bonner County | 82.7 | Relatively Low | 0 |
| 31 | Oneida County | 81.2 | Relatively Low | 0 |
| 32 | Caribou County | 81 | Relatively Low | 0 |
| 33 | Camas County | 80.8 | Relatively Low | 0 |
| 34 | Boundary County | 80.7 | Relatively Low | 0 |
| 35 | Kootenai County | 79.5 | Relatively Low | 0 |
| 36 | Franklin County | 78.8 | Relatively Low | 0 |
| 37 | Bear Lake County | 78.4 | Relatively Low | 0 |
| 38 | Benewah County | 74.8 | Relatively Low | 0 |
| 39 | Madison County | 70.3 | Relatively Low | 0 |
| 40 | Shoshone County | 69.6 | Relatively Low | 0 |
| 41 | Clark County | 64.7 | Relatively Low | 0 |
| 42 | Jefferson County | 62.5 | Very Low | 0 |
| 43 | Butte County | 55.5 | Very Low | 0 |
| 44 | Minidoka County | 55.3 | 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.
Wildfire risk nationally:
Other hazard risks in Idaho:
Frequently asked questions
What is the highest wildfire risk county in Idaho?
Idaho County, ID has the highest wildfire risk in Idaho, with a FEMA National Risk Index score of 98.7 out of 100 (rated "Relatively High").
What causes wildfire risk in Idaho?
Wildfire risk reflects expected annual losses to buildings, population, and agriculture from wildfire, adjusted for social vulnerability and community resilience. High scores cluster in the western US, where dry climate, fuel loads, and seasonal wind patterns combine with rapid suburban development into fire-prone terrain.