riskbycounty
FEMA NRI 1.19.0Updated Nov 2023 · Coverage 2014–2023Methodology

Glacier County Disaster Risk

Glacier County, Montana

FEMA Risk Rating

Relatively Low

National Percentile

51th

of 3,144 counties

State Rank

#16

of 56 (1 = highest risk)

Flood Risk

45th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 45% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Moderate

Higher than 85% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 4% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 61% of US counties

Risk Overview

About Natural Disaster Risk in Glacier County, Montana

Glacier faces above-average disaster risk

Glacier County's composite risk score of 51.49 exceeds the national average and puts it in the relatively low risk category. Your county experiences more natural hazard exposure than most American counties, driven primarily by wildfire and earthquake risk.

Higher risk than average for Montana

At 51.49, Glacier County's composite score significantly exceeds Montana's state average of 33.31. Your county ranks in the upper half of Montana counties for natural disaster risk.

Riskier than Hill and Golden Valley

Glacier's score of 51.49 is higher than neighboring Hill County (50.45) but lower than Lake County (67.65). You're in a moderate-risk zone compared to surrounding counties in northwestern Montana.

Wildfire and earthquakes drive risk

Wildfire risk (85.27) and earthquake risk (60.75) are your county's dominant hazards, together accounting for most of your composite score. Flood risk (45.48) adds additional vulnerability, while tornado risk (3.66) remains minimal.

Ensure comprehensive multi-hazard coverage

Your homeowner's insurance should cover both wildfire and earthquake damage, as these are your leading risks. Consult with an agent to confirm your policy addresses these perils and consider additional coverage for flood risk.

Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor

Preparedness Guide

What to Prepare for in Glacier County

Top Hazards by Exposure

  1. #1
    WildfirePrepare
    85th percentile
  2. #2
    EarthquakePrepare
    61th percentile
  3. #3
    FloodPrepare
    45th percentile

Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)

Risk Advisory: Glacier County

Risk Verdict

At the 51th percentile nationally, Glacier County experiences a manageable level of natural hazard risk that falls below the U.S. median. Glacier County's risk profile calls for targeted preparedness, focusing on the hazard categories that dominate the county's score.

Hazard Breakdown

Wildfire risk is Glacier County's dominant natural hazard, ranked at the 85th percentile nationally under FEMA's National Risk Index. Earthquake ranks second at the 61th percentile nationally. Additional tracked hazards include flood (45th percentile), tornado (4th percentile).

Preparedness Context

Wildfire ranks as Glacier County's primary hazard at the 85th percentile nationally. For Glacier County households in high-WUI areas, go-bag readiness — the ability to leave within 15 minutes — is more important than shelter-in-place planning for most residential properties. A secondary earthquake exposure at the 61th percentile nationally means Glacier County residents face hazards from two distinct natural peril categories during different seasons. Glacier County county's local emergency management office publishes community-specific wildfire risk assessments and evacuation zone maps; households should review their zone assignment and sign up for zone-specific alerts.

Regional Context

Glacier County falls 18.2 points above Montana's typical county risk level, which means the hazard environment here is notably more demanding than the state baseline.

Is your household prepared for Glacier County's hazards?

Review FEMA's county-specific preparedness checklists and emergency planning guides.

FEMA Ready Guide →

Frequently Asked Questions

What is the natural disaster risk in Glacier County, MT?
Glacier County has a FEMA National Risk Index rating of Relatively Low, placing it in the 51th percentile nationally out of 3,144 counties. This composite score reflects the county's overall exposure to natural hazards including floods, wildfires, tornadoes, earthquakes, and hurricanes, weighted by expected annual loss and social vulnerability.
What types of natural hazards affect Glacier County?
Glacier County is evaluated for five major natural hazard types: wildfire (85th percentile), earthquake (61th percentile), flooding (45th percentile), tornado (4th percentile). The highest-risk hazard is wildfire at the 85th percentile nationally. These scores are derived from FEMA's National Risk Index, which analyzes expected annual loss, social vulnerability, and community resilience for each hazard type.
How does Glacier County risk compare to the Montana average?
Glacier County's composite risk percentile is 51th, compared to the Montana state average of 33th percentile. The state's overall risk rating is Very Low. This means Glacier County faces higher natural disaster risk than the typical county in Montana.
Is Glacier County at risk for wildfire?
Yes, Glacier County's wildfire risk is at the 85th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Glacier County is at the 45th percentile.
How is natural disaster risk measured?
FEMA's National Risk Index (NRI) calculates risk scores for 18 natural hazard types across all U.S. counties and census tracts. The composite score combines Expected Annual Loss (estimated dollar losses from each hazard), Social Vulnerability (demographic factors affecting disaster impact), and Community Resilience (ability to recover). Percentile scores rank each county against all 3,144 U.S. counties, and risk ratings range from Very Low to Very High.
Why is Glacier County higher risk than average?
Glacier County's composite risk score of 51th percentile is above the Montana state average of 33th percentile. This elevated risk is driven by wildfire exposure (85th percentile), along with earthquake risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.
By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor

Data Source

Risk data sourced from the FEMA National Risk Index (NRI). Risk scores are relative rankings (0–100) across all US counties — not absolute risk measures. Higher scores indicate higher relative risk compared to other counties.

Disclaimer: This data is informational only. It is not financial, insurance, or legal advice. Always consult a qualified professional before making insurance or real estate decisions.