Wyoming wildfire risk
Sheridan County has the highest wildfire risk in Wyoming, scoring 93.9 out of 100 — rated "Relatively Moderate" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
NOAA events 2016–2026 |
|---|---|---|---|---|
| 1 | Sheridan County | 93.9 | Relatively Moderate | 0 |
| 2 | Natrona County | 93 | Relatively Moderate | 0 |
| 3 | Campbell County | 92.9 | Relatively Moderate | 0 |
| 4 | Fremont County | 92.6 | Relatively Moderate | 0 |
| 5 | Laramie County | 91.9 | Relatively Moderate | 0 |
| 6 | Converse County | 91.1 | Relatively Moderate | 0 |
| 7 | Teton County | 90.6 | Relatively Moderate | 0 |
| 8 | Johnson County | 87.8 | Relatively Low | 0 |
| 9 | Sublette County | 87.7 | Relatively Low | 0 |
| 10 | Platte County | 87.6 | Relatively Low | 0 |
| 11 | Crook County | 85.1 | Relatively Low | 0 |
| 12 | Albany County | 84.7 | Relatively Low | 0 |
| 13 | Weston County | 83.7 | Relatively Low | 0 |
| 14 | Lincoln County | 83.6 | Relatively Low | 0 |
| 15 | Uinta County | 83.5 | Relatively Low | 0 |
| 16 | Park County | 82.7 | Relatively Low | 0 |
| 17 | Carbon County | 81.9 | Relatively Low | 0 |
| 18 | Niobrara County | 80.9 | Relatively Low | 0 |
| 19 | Goshen County | 72.6 | Relatively Low | 0 |
| 20 | Washakie County | 66.7 | Relatively Low | 0 |
| 21 | Hot Springs County | 66.4 | Relatively Low | 0 |
| 22 | Sweetwater County | 66.2 | Relatively Low | 0 |
| 23 | Big Horn County | 61.4 | 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.
Wildfire risk nationally:
Other hazard risks in Wyoming:
Frequently asked questions
What is the highest wildfire risk county in Wyoming?
Sheridan County, WY has the highest wildfire risk in Wyoming, with a FEMA National Risk Index score of 93.9 out of 100 (rated "Relatively Moderate").
What causes wildfire risk in Wyoming?
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.