Pettis County Disaster Risk
Pettis County, Missouri
FEMA Risk Rating
Relatively Low
National Percentile
62th
of 3,144 counties
State Rank
#42
of 115 (1 = highest risk)
Flood Risk
60th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Relatively Low
Higher than 60% of US counties
Wildfire
Wildland and wildland-urban interface fire risk
Relatively Low
Higher than 52% of US counties
Tornado
Tornado and severe thunderstorm risk
Relatively Low
Higher than 80% of US counties
Earthquake
Seismic activity and ground shaking risk
Relatively Low
Higher than 69% of US counties
Hurricane
Tropical cyclone and hurricane risk
Very Low
Higher than 28% of US counties
Risk Overview
About Natural Disaster Risk in Pettis County, Missouri
Pettis faces moderate-high risk overall
Pettis County's composite risk score of 61.96 rates as relatively low but exceeds Missouri's state average of 50.56, reflecting above-average natural disaster exposure. The county faces elevated tornado risk at 80.47 and flood risk at 60.31, making severe weather a significant concern.
Pettis ranks above state average
Pettis County's composite risk score of 61.96 exceeds Missouri's state average of 50.56 by a notable margin, placing it among the state's higher-risk counties. Tornado and flood risks drive this elevated profile, with tornado risk of 80.47 ranking among the highest statewide.
Pettis riskier than most central neighbors
Pettis County's composite risk score of 61.96 exceeds adjacent Osage, Moniteau, and Cole counties, making it notably more vulnerable to natural disasters. The county's tornado risk of 80.47 particularly stands out in the central Missouri region as a significant regional hazard.
Tornadoes and floods top concerns
Pettis County's tornado risk of 80.47 ranks among Missouri's highest, with spring and fall seasons posing peak danger to residents and structures. Flood risk at 60.31 creates secondary but significant exposure, particularly for properties near major waterways or in flood-prone terrain.
Comprehensive severe weather coverage essential
Pettis County homeowners must prioritize tornado coverage and consider basement or storm shelter installation given the county's high tornado risk. Flood insurance should also be verified or obtained for properties in or near floodplains, as standard homeowner policies typically exclude water damage.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in Pettis County
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: Pettis County
Risk Verdict
Pettis County's FEMA risk score places it at the 62th percentile nationally, indicating lower-than-typical exposure for a U.S. county. A moderate composite score often means one or two hazard categories are doing the heavy lifting — knowing which ones matters for preparation.
Hazard Breakdown
Tornado risk is Pettis County's dominant natural hazard, ranked at the 80th percentile nationally under FEMA's National Risk Index. Earthquake ranks second at the 69th percentile nationally. Additional tracked hazards include flood (60th percentile), wildfire (52th percentile), hurricane (28th percentile).
Preparedness Context
Tornado exposure at the 80th percentile nationally makes Pettis County a county where a battery-powered weather radio — not just smartphone apps — is a worthwhile household investment, given that mobile networks often fail during severe storms. Earthquake is the second hazard driver for Pettis County at the 69th percentile nationally, meaning households should maintain awareness of both severe-weather and earthquake-specific warning systems. In Pettis County, tornado watches indicate favorable atmospheric conditions while warnings mean rotation has been detected — households benefit from understanding this distinction so they shelter immediately on a warning, not after seeking visual confirmation.
Regional Context
The Missouri county average is 11.4 composite points below Pettis County's score, a gap that reflects the county's elevated position in the state's hazard distribution.
Is your household prepared for Pettis County's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in Pettis County, MO?
What types of natural hazards affect Pettis County?
How does Pettis County risk compare to the Missouri average?
Is Pettis County at risk for tornado?
How is natural disaster risk measured?
Why is Pettis County higher risk than average?
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.