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

Chouteau County Disaster Risk

Chouteau County, Montana

FEMA Risk Rating

Very Low

National Percentile

39th

of 3,144 counties

State Rank

#25

of 56 (1 = highest risk)

Flood Risk

50th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 50% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 73% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 12% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 27% of US counties

Risk Overview

About Natural Disaster Risk in Chouteau County, Montana

Chouteau's risk moderately exceeds the national baseline

Chouteau County scores 39.47 on the composite risk index, placing it in the Very Low category but above the national average. The county's risk is driven primarily by wildfire exposure (72.58) and moderate flood risk (50.38), while earthquake and tornado hazards remain comparatively low.

Below-average risk profile for Montana

Chouteau County ranks in the lower half of Montana's 56 counties with a composite score of 39.47, slightly above the state average of 33.31. The county's Very Low overall risk rating reflects below-average exposure to earthquakes and tornadoes compared to the state.

Similar risk profile to nearby counties

Chouteau's composite score (39.47) falls between neighboring Blaine (45.87) and Broadwater (17.68), with wildfire risk (72.58) comparable to Blaine (69.85). Flood risk (50.38) is higher than Broadwater (19.08) but lower than Big Horn (55.12), reflecting moderate exposure to precipitation and snowmelt.

Wildfire and flood risks merit preparation

Chouteau County residents face meaningful wildfire risk (72.58) and moderate flood risk (50.38), making these the primary focus of emergency planning. Earthquake risk (27.07) and tornado risk (11.86) are both well below state and national averages, simplifying your insurance considerations.

Add wildfire coverage to your policy

Chouteau's wildfire and flood exposure means standard homeowners insurance alone is insufficient; add wildfire coverage and verify flood insurance adequacy. Maintain defensible space around your home and stay informed about seasonal fire danger and flood warnings to protect your family and property.

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

Preparedness Guide

What to Prepare for in Chouteau County

Top Hazards by Exposure

  1. #1
    WildfirePrepare
    73th percentile
  2. #2
    FloodPrepare
    50th percentile
  3. #3
    EarthquakePrepare
    27th percentile

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

Risk Advisory: Chouteau County

Risk Verdict

Natural disaster exposure in Chouteau County is lower than roughly three-quarters of U.S. counties, with a composite score at the 39th percentile. A preparedness foundation — alert registration, household communication plan, and a basic supply review — costs little and remains valuable even at Chouteau County's favorable 39th percentile ranking.

Hazard Breakdown

Wildfire risk is Chouteau County's dominant natural hazard, ranked at the 73th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 50th percentile nationally. Additional tracked hazards include earthquake (27th percentile), tornado (12th percentile).

Preparedness Context

At the 73th percentile nationally for wildfire, Chouteau County residents should verify whether their insurance policy includes replacement cost coverage for structures and whether the insurer still writes new policies in this fire-risk zone. Alongside wildfire, flood at the 50th percentile nationally means a multi-season preparedness mindset — fire season and flood or storm season often require different household plans. Local USFS or Cal Fire (where applicable) fire risk maps and seasonal Red Flag Warning alerts from the National Weather Service are two free resources Chouteau County residents can use to stay ahead of rapidly changing wildfire conditions.

Regional Context

A composite score 6.2 points above the Montana state average puts Chouteau County in a higher-risk category than most counties in the state.

Is your household prepared for Chouteau 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 Chouteau County, MT?
Chouteau County has a FEMA National Risk Index rating of Very Low, placing it in the 39th 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 Chouteau County?
Chouteau County is evaluated for five major natural hazard types: wildfire (73th percentile), flooding (50th percentile), earthquake (27th percentile), tornado (12th percentile). The highest-risk hazard is wildfire at the 73th 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 Chouteau County risk compare to the Montana average?
Chouteau County's composite risk percentile is 39th, compared to the Montana state average of 33th percentile. The state's overall risk rating is Very Low. This means Chouteau County faces higher natural disaster risk than the typical county in Montana.
Is Chouteau County at risk for wildfire?
Yes, Chouteau County's wildfire risk is at the 73th percentile nationally. This is above the national median. For flooding specifically, Chouteau County is at the 50th 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 Chouteau County higher risk than average?
Chouteau County's composite risk score of 39th percentile is above the Montana state average of 33th percentile. This elevated risk is driven by wildfire exposure (73th percentile), along with flooding 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.