Vermont winter weather risk
Chittenden County has the highest winter weather risk in Vermont, scoring 84.9 out of 100 — rated "Relatively Moderate" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
NOAA events 2016–2026 |
|---|---|---|---|---|
| 1 | Chittenden County | 84.9 | Relatively Moderate | 0 |
| 2 | Washington County | 80.1 | Relatively Moderate | 0 |
| 3 | Lamoille County | 79.1 | Relatively Moderate | 0 |
| 4 | Windsor County | 75.1 | Relatively Moderate | 0 |
| 5 | Orleans County | 70.8 | Relatively Moderate | 0 |
| 6 | Rutland County | 61.9 | Relatively Moderate | 0 |
| 7 | Caledonia County | 61.7 | Relatively Moderate | 0 |
| 8 | Franklin County | 59.8 | Relatively Low | 0 |
| 9 | Addison County | 54.4 | Relatively Low | 0 |
| 10 | Orange County | 53.9 | Relatively Low | 0 |
| 11 | Windham County | 49.2 | Relatively Low | 0 |
| 12 | Bennington County | 44.6 | Relatively Low | 0 |
| 13 | Essex County | 44 | Relatively Low | 0 |
| 14 | Grand Isle County | 18.2 | 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.
Winter Weather risk nationally:
Other hazard risks in Vermont:
Frequently asked questions
What is the highest winter weather risk county in Vermont?
Chittenden County, VT has the highest winter weather risk in Vermont, with a FEMA National Risk Index score of 84.9 out of 100 (rated "Relatively Moderate").
What causes winter weather risk in Vermont?
Winter weather risk captures expected losses from heavy snow, blizzards, and mixed precipitation. Highest scores appear in the Great Lakes snowbelt, northern Rockies, and interior Northeast, where lake-effect and orographic snowfall is frequent. Winter weather impacts transportation networks, utilities, agriculture, and population health.