Colorado winter weather risk
El Paso County has the highest winter weather risk in Colorado, scoring 99.9 out of 100 — rated "Very High" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
NOAA events 2016–2026 |
|---|---|---|---|---|
| 1 | El Paso County | 99.9 | Very High | 0 |
| 2 | Pueblo County | 98.6 | Very High | 0 |
| 3 | Larimer County | 97.9 | Very High | 0 |
| 4 | Jefferson County | 97.8 | Very High | 0 |
| 5 | Adams County | 97.4 | Very High | 0 |
| 6 | Douglas County | 96.6 | Very High | 0 |
| 7 | Boulder County | 96.1 | Relatively High | 0 |
| 8 | Weld County | 93.6 | Relatively High | 0 |
| 9 | Denver County | 91.9 | Relatively High | 0 |
| 10 | Arapahoe County | 91.1 | Relatively High | 0 |
| 11 | Fremont County | 84.9 | Relatively Moderate | 0 |
| 12 | Kit Carson County | 80 | Relatively Moderate | 0 |
| 13 | Las Animas County | 79.5 | Relatively Moderate | 0 |
| 14 | Elbert County | 76.2 | Relatively Moderate | 0 |
| 15 | Otero County | 75.9 | Relatively Moderate | 0 |
| 16 | Broomfield County | 74.7 | Relatively Moderate | 0 |
| 17 | Eagle County | 74.2 | Relatively Moderate | 0 |
| 18 | Summit County | 74.2 | Relatively Moderate | 0 |
| 19 | Teller County | 74.1 | Relatively Moderate | 0 |
| 20 | Logan County | 73.4 | Relatively Moderate | 0 |
| 21 | Prowers County | 71.8 | Relatively Moderate | 0 |
| 22 | Moffat County | 69 | Relatively Moderate | 0 |
| 23 | Mesa County | 68.2 | Relatively Moderate | 0 |
| 24 | Routt County | 67.3 | Relatively Moderate | 0 |
| 25 | Archuleta County | 66.6 | Relatively Moderate | 0 |
| 26 | Huerfano County | 65.3 | Relatively Moderate | 0 |
| 27 | La Plata County | 64.2 | Relatively Moderate | 0 |
| 28 | Yuma County | 62.6 | Relatively Moderate | 0 |
| 29 | Morgan County | 62 | Relatively Moderate | 0 |
| 30 | Montezuma County | 59.4 | Relatively Low | 0 |
| 31 | Pitkin County | 52.1 | Relatively Low | 0 |
| 32 | Baca County | 50.7 | Relatively Low | 0 |
| 33 | Alamosa County | 49.6 | Relatively Low | 0 |
| 34 | Park County | 46.2 | Relatively Low | 0 |
| 35 | Lincoln County | 45.3 | Relatively Low | 0 |
| 36 | Montrose County | 45 | Relatively Low | 0 |
| 37 | San Miguel County | 43.7 | Relatively Low | 0 |
| 38 | Rio Grande County | 43.2 | Relatively Low | 0 |
| 39 | Delta County | 42.3 | Relatively Low | 0 |
| 40 | Chaffee County | 38.4 | Relatively Low | 0 |
| 41 | Washington County | 38.4 | Relatively Low | 0 |
| 42 | Gunnison County | 38.1 | Relatively Low | 0 |
| 43 | Crowley County | 38 | Relatively Low | 0 |
| 44 | Clear Creek County | 32.6 | Relatively Low | 0 |
| 45 | Gilpin County | 31.8 | Relatively Low | 0 |
| 46 | Grand County | 31.4 | Relatively Low | 0 |
| 47 | Bent County | 29.8 | Relatively Low | 0 |
| 48 | Conejos County | 27.7 | Relatively Low | 0 |
| 49 | Cheyenne County | 27.2 | Relatively Low | 0 |
| 50 | Costilla County | 27 | Relatively Low | 0 |
| 51 | Custer County | 26.6 | Relatively Low | 0 |
| 52 | Phillips County | 20.6 | Very Low | 0 |
| 53 | Saguache County | 20.3 | Very Low | 0 |
| 54 | Lake County | 18.7 | Very Low | 0 |
| 55 | Kiowa County | 17.8 | Very Low | 0 |
| 56 | Ouray County | 17 | Very Low | 0 |
| 57 | Sedgwick County | 15.2 | Very Low | 0 |
| 58 | Dolores County | 13.1 | Very Low | 0 |
| 59 | Garfield County | 10.5 | Very Low | 0 |
| 60 | Rio Blanco County | 9.1 | Very Low | 0 |
| 61 | Hinsdale County | 7.2 | Very Low | 0 |
| 62 | Jackson County | 5.9 | Very Low | 0 |
| 63 | San Juan County | 4.6 | Very Low | 0 |
| 64 | Mineral County | 3.5 | 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 Colorado:
Frequently asked questions
What is the highest winter weather risk county in Colorado?
El Paso County, CO has the highest winter weather risk in Colorado, with a FEMA National Risk Index score of 99.9 out of 100 (rated "Very High").
How many counties in Colorado are rated Very High for winter weather risk?
6 of 64 scored Colorado counties are rated "Very High" for winter weather risk by FEMA's National Risk Index.
What causes winter weather risk in Colorado?
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.