Fort Collins, CO
Local storm history & FEMA National Risk Index data
Fort Collins is rated Relatively Moderate for overall natural hazard risk — near the middle compared to other US counties — based on FEMA's National Risk Index for Larimer County, CO. The county's highest-rated hazards are lightning, hail, and winter weather.
Storm events near Fort Collins
NOAA-recorded tornado, hail, and flood events within 25 miles of Fort Collins's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Fort Collins itself, not the whole county.
County-wide hazard risk
Every other hazard FEMA and NOAA track — including drought — is only scored at the county level. These are Larimer County's FEMA National Risk Index scores, covering Fort Collins along with the rest of the county, not a Fort Collins-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 97.7 | Relatively High |
| Inland Flooding | 89.4 | Relatively Moderate |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 81 | Relatively Low |
| Heat Wave | 58.8 | Relatively Low |
| Tornado | 90.6 | Relatively High |
| Avalanche | 91.8 | Relatively High |
| Cold Wave | 94.8 | Relatively High |
| Drought | 47.4 | Relatively Low |
| Hail | 98.3 | Relatively High |
| Hurricane | — | Not Applicable |
| Ice Storm | 50.9 | Relatively Low |
| Landslide | 97.2 | Relatively Moderate |
| Lightning | 99.2 | Very High |
| Strong Wind | 87.9 | Relatively High |
| Tsunami | — | Not Applicable |
| Volcanic Activity | 62.5 | Very Low |
| Winter Weather | 97.9 | Very High |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Larimer County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Larimer County:
More on Larimer County:
Frequently asked questions
What natural hazards is Fort Collins, CO at risk of?
Fort Collins is rated Relatively Moderate for overall natural hazard risk by FEMA's National Risk Index — near the middle compared to other US counties. The highest-rated hazards for Larimer County, where Fort Collins is located, are lightning, hail, and winter weather.
What is Fort Collins's biggest natural hazard risk?
Lightning is the highest-rated hazard for Larimer County, where Fort Collins is located, scoring 99.2 out of 100 on FEMA's National Risk Index (rated "Very High").
Is Fort Collins a high-risk area for natural disasters?
Somewhat — Fort Collins carries near the middle compared to other US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Moderate" for Larimer County.
Has Fort Collins had tornadoes, hail, or flooding?
NOAA has recorded 5 tornado, 308 hail, 29 inland flooding events within 25 miles of Fort Collins since 2016.