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Colorado · FEMA + NOAA + National Risk Index

Larimer County, CO

4 FEMA disaster declarations (2020–2024), with a FEMA National Risk Index rating of Relatively Moderate. Most common hazard: Fire.

4
FEMA declarations
1
Major disasters
90
NRI risk · Relatively Moderate
Fire
Top hazard

The verdict

Larimer County ranks in the riskiest 10% of U.S. counties for FEMA-modeled hazard risk, with more federally declared disasters than 57% of the 2,791 counties FEMA tracks. FEMA rates the county's overall risk as Relatively Moderate, based on 4 federal disaster declarations recorded since 2020, most often fire, 4% above the national county average of 4.

Riskiest 10%
of U.S. counties for FEMA National Risk Index score
Relatively Moderate
FEMA National Risk Index rating
4
FEMA declarations vs 4 national county avg
4
fire declarations, the most common hazard here

FEMA's National Risk Index score reflects expected annual loss, social vulnerability, and community resilience; the declaration count above reflects only Presidentially declared disasters, not every hazard event.

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How does Larimer County compare?

Larimer County vs. every U.S. county

FEMA disaster declarations, all-time

4 Top 43% higher than 57% of 2,791 counties

This county 0 30 all U.S. counties FEMA tracks, bucketed by value

Each bar is a band; taller bars hold more counties. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source FEMA Disaster Declarations Summaries v2 · 2026-07-25

Larimer County's FEMA Risk Index score

FEMA National Risk Index composite score vs. the Colorado county average

0/100100/100Colorado avg46/10090.1/100
FEMA National Risk Index composite score vs. the Colorado county average

How disaster-prone is Larimer County?

Declaration frequency

Larimer County, Colorado has recorded 4 FEMA disaster declarations between 2020 and 2024, of which 1 were classified as Major Disaster declarations (DR) requiring federal individual and public assistance. That puts the county's average at 1.0 declarations per year across a 4-year record, or roughly 134% above the Colorado county average of 1.7 and 4% above the national county average of 3.8. The dominant disaster type on record is Fire, with 4 of 4 declarations falling under this category.

FEMA National Risk Index

This county sits among the highest-risk counties nationally on FEMA's National Risk Index, a composite score of 90.1/100 (Relatively Moderate). Expected Annual Loss is rated Relatively Moderate (roughly $126.5M in annualized losses). Social vulnerability reads Very Low and community resilience Relatively High, both critical modifiers of realized harm here. Of the 18 hazards FEMA models, Lightning stands out as the sharpest exposure here, rated Very High.

Flood exposure & the bottom line

Taken together, Larimer County reads as low relative risk on this historical lens, fewer federally recognized disasters than a typical U.S. county.

Risk Assessment

Risk Level

Low

vs. Colorado Avg

+134%

State avg: 1.7

vs. National Avg

+4%

National avg: 3.8

Avg Per Year

1.0

Over 4 years

FEMA NRI 8-hazard radar - Larimer County

Larimer County NRI risk profile 8-axis FEMA National Risk Index radar showing per-hazard composite scores for Earthquake 25, Flood 0, Hurricane 0, Tornado 70, Wildfire 70, Drought 25, Heat Wave 25, Winter Storm 92. Overall composite 38 of 100, classified Moderate. Earthquake Flood Hurricane Tornado Wildfire Drought Heat Wave Winter Storm 38 composite
Larimer County NRI risk profile FIPS 08069 · composite 38/100 (Moderate)
How to read this radar

The radar plots Larimer County's relative exposure to the eight headline natural hazards used by the FEMA National Risk Index. Each axis is the qualitative NRI risk rating (Very Low through Very High) re-expressed on a 0-100 scale so that the polygon shape lets you compare a county against another at a glance. A rounder polygon means broad multi-hazard exposure; a spiky polygon means one or two dominant hazards drive most of the modeled risk.

FEMA Records

4

Total declarations

NRI Source

FEMA 2023

Latest NRI release

County FIPS

08069

CO state code

Source: FEMA National Risk Index FEMA National Risk Index Per-county per-hazard ratings, 2023 release

Disaster Types

Fire 4

Declaration Types

What DR / EM / FM mean

FEMA categorizes declarations as Major Disasters (DR), Emergencies (EM), or Fire Management Assistance (FM).

Fire Management - 3 75.0%

of all 4 declarations

Major Disaster - 1 25.0%

of all 4 declarations

FEMA Declarations Timeline

Year Declarations
2024 2
2021 1
2020 1

Disaster Declarations

DR# Title Type Incident Date
5525 STONE MOUNTAIN FIRE FM Fire 2024-07-31
5524 ALEXANDER MOUNTAIN FIRE FM Fire 2024-07-31
4581 WILDFIRES DR Fire 2021-01-15
5349 CAMERON PEAK FIRE FM Fire 2020-09-06

Storm Events in Colorado

Storm Type Events Fatalities Injuries Property Damage
Hail 5,610 0 100 $2.9B
Winter Weather 3,121 3 43 $30.0K
High Wind 2,522 6 6 $21.3M
Thunderstorm Wind 2,116 3 11 $5.8M
Winter Storm 1,632 0 0 $848.0K

Source: NOAA Storm Events Database NOAA Storm Events Database State-level aggregated data, 2015–2025

FEMA National Risk Index

Overall Risk

Relatively Moderate

Score: 90.1/100

Expected Annual Loss

Relatively Moderate

$126.5M/year

Social Vulnerability

Very Low

Community Resilience

Relatively High

Hazard Risk Breakdown

Lightning Very High
Hail Relatively High
Winter Weather Very High
Wildfire Relatively High
Landslide Relatively Moderate
Cold Wave Relatively High
Avalanche Relatively High
Tornado Relatively High
Strong Wind Relatively High
Earthquake Relatively Low
Volcanic Activity Very Low
Heat Wave Relatively Low
Ice Storm Relatively Low
Drought Relatively Low

Source: FEMA National Risk Index (NRI) FEMA National Risk Index (NRI) Ratings reflect relative scores among all US counties. Data: hazards.fema.gov/nri

Counties with Similar Risk in Colorado

Frequently Asked Questions

How many natural disasters has Larimer County, Colorado had?
Larimer County, Colorado has received 4 FEMA disaster declarations from 2020 to 2024. Of these, 1 were major disaster declarations.
What is the most common disaster type in Larimer County?
The most common disaster type in Larimer County is Fire, with 4 declarations.
How does Larimer County's disaster risk compare to the Colorado average?
Larimer County has 4 disaster declarations, which is 134% higher than the Colorado county average of 1.7 declarations. Compared to the national county average of 3.8, it is 4% higher.
How many major FEMA disaster declarations has Larimer County received?
Larimer County has received 1 major disaster declaration, representing 25% of all 4 disaster declarations. Major disaster declarations typically involve significant damage requiring federal assistance.
What types of storms are most common in Colorado?
The most common storm types in Colorado include Hail (5,610 events), Winter Weather (3,121 events), High Wind (2,522 events). NOAA storm event data covers severe weather from 2015 to 2025.
What was the worst year for disasters in Larimer County?
The most active year for disaster declarations in Larimer County was 2024, with 2 declarations. The county has FEMA disaster data spanning 2020 to 2024.
What is the overall disaster risk level for Larimer County?
Larimer County's 4 FEMA disaster declarations put it in the low-risk band, fewer federally recognized disasters than a typical U.S. county over the same span.
What is the FEMA National Risk Index score for Larimer County?
According to the FEMA National Risk Index, Larimer County, Colorado has an overall risk score of 90.1 out of 100 (Relatively Moderate). The county's social vulnerability rating is Very Low and community resilience is Relatively High. The Expected Annual Loss (EAL) score is Relatively Moderate, representing $126.5M in annualized losses.
Which natural hazard poses the greatest risk to Larimer County?
Based on FEMA NRI data, the highest-risk natural hazard in Larimer County is Lightning (risk rating: Very High). Other significant hazards include Hail (Relatively High) and Winter Weather (Very High). These scores are based on FEMA's analysis of historical event frequency, exposed assets, and community vulnerability.
Data Sources & Methodology

Disaster declaration data comes from the FEMA OpenFEMA Disaster Declarations Summaries v2 API, which includes all federally declared disasters, emergencies, and fire management assistance grants.

Storm event data is sourced from the NOAA Storm Events Database (2015–2025), which tracks significant weather events including thunderstorms, tornadoes, floods, and winter storms.

This data is provided for informational purposes only. FEMA disaster declarations represent federal response actions and may not capture all local emergencies or weather events.

What this means for Larimer County

Larimer County, CO runs 134% above the Colorado county average for federal disaster declarations (4 vs 2), a low historical load overall.

  • Its most common federal declaration type is fire management (3 of 4) - know the hazards most likely here before they happen. Colorado overview
  • See how this county ranks against the rest of the country for disaster frequency. Most-disaster rankings
  • Read how to read FEMA declarations, NRI risk scores, and what they do and don't tell you. Disaster-data guide

Historical declaration counts describe past federal response, not a forecast. For current threats, follow the National Weather Service and local officials; in an emergency call 911.

All federal data sources used on this page
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainHazard Editorial

Verify with FEMA → · Verify with FEMA NRI → · Verify with NOAA →

Every figure on PlainHazard is rendered directly from FEMA federal disaster data, no number is typed in by an editor. This page draws directly on FEMA federal disaster data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or national statistics report, or report a data error.