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

Prairie County Disaster Risk

Prairie County, Montana

FEMA Risk Rating

Very Low

National Percentile

4th

of 3,144 counties

State Rank

#47

of 56 (1 = highest risk)

Flood Risk

6th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 6% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 61% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 9% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 5% of US counties

Risk Overview

About Natural Disaster Risk in Prairie County, Montana

Prairie County represents exceptional safety

Prairie County's composite risk score of 4.23 ranks among the nation's safest communities, with Very Low natural disaster exposure overall. The county's hazard profile is roughly 8% of typical U.S. risk levels.

Montana's safest counties tier

Prairie County's score of 4.23 is dramatically below Montana's state average of 33.31—the county experiences roughly 87% less risk than typical state communities. It ranks as one of the most geographically stable counties in Montana.

Safest in its regional group

Prairie County's risk score of 4.23 is lower than all nearby counties, including Phillips (34.51), Musselshell (17.05), and Petroleum (1.30). The county's isolated eastern location and stable terrain create an exceptionally low-hazard environment.

Wildfire is the sole notable concern

Wildfire risk of 60.97 is Prairie County's primary hazard, while flood (5.79), tornado (8.71), and earthquake (5.34) risks all remain minimal. The county's grassland landscape creates seasonal fire potential despite overall very low disaster exposure.

Wildfire preparation and basic coverage

Ensure homeowners insurance includes wildfire coverage and maintain cleared defensible space around structures as your primary protection. Monitor fire season conditions and keep evacuation routes planned, as wildfire is your county's only meaningful natural hazard threat.

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

Preparedness Guide

What to Prepare for in Prairie County

Top Hazards by Exposure

  1. #1
    WildfirePrepare
    61th percentile
  2. #2
    TornadoPrepare
    9th percentile
  3. #3
    FloodPrepare
    6th percentile

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

Risk Advisory: Prairie County

Risk Verdict

Prairie County's natural disaster risk is among the lowest in the country, with a composite score at the 4th percentile nationally. Prairie County's 4th percentile ranking is favorable, though every county carries at least one natural hazard worth knowing — reviewing the specific risks listed above helps households focus their preparedness where it matters most.

Hazard Breakdown

Wildfire risk is Prairie County's dominant natural hazard, ranked at the 61th percentile nationally under FEMA's National Risk Index. Tornado ranks second at the 9th percentile nationally. Additional tracked hazards include flood (6th percentile), earthquake (5th percentile).

Preparedness Context

Wildfire is Prairie County's top-ranked natural hazard at the 61th percentile nationally. Prairie County residents should assess whether their property lies within or adjacent to a Wildland-Urban Interface (WUI) zone, where ember transport and rapid spread pose the highest risk. The county's tornado exposure at the 9th percentile nationally complements the wildfire risk — saturating rain after burn scarring often triggers secondary flood and debris flow events. For Prairie County households, a practiced evacuation plan — with a primary and backup route designated before a fire occurs — provides more protection than any structural improvement when a wildfire approaches fast-moving terrain.

Regional Context

The Montana county average exceeds Prairie County's score by 29.1 composite points — placing this county in the lower-risk tier relative to its in-state peers.

Is your household prepared for Prairie 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 Prairie County, MT?
Prairie County has a FEMA National Risk Index rating of Very Low, placing it in the 4th 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 Prairie County?
Prairie County is evaluated for five major natural hazard types: wildfire (61th percentile), tornado (9th percentile), flooding (6th percentile), earthquake (5th percentile). The highest-risk hazard is wildfire at the 61th 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 Prairie County risk compare to the Montana average?
Prairie County's composite risk percentile is 4th, compared to the Montana state average of 33th percentile. The state's overall risk rating is Very Low. This means Prairie County faces lower natural disaster risk than the typical county in Montana.
Is Prairie County at risk for wildfire?
Yes, Prairie County's wildfire risk is at the 61th percentile nationally. This is above the national median. For flooding specifically, Prairie County is at the 6th 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.
Is Prairie County a safe place to live?
Prairie County's composite risk score of 4th percentile is below the Montana state average of 33th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is wildfire at the 61th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.
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.