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

Cass County Disaster Risk

Cass County, Michigan

FEMA Risk Rating

Relatively Low

National Percentile

48th

of 3,144 counties

State Rank

#45

of 83 (1 = highest risk)

Flood Risk

56th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 56% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 19% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 64% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 51% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 32% of US counties

Risk Overview

About Natural Disaster Risk in Cass County, Michigan

Cass County: Below-Average Risk

Cass County's composite risk score of 47.71 sits slightly below the national average, earning a Relatively Low rating and reflecting manageable natural hazard exposure. The score indicates that Cass faces fewer threats than many U.S. counties, though local risks still warrant attention and basic preparedness. This favorable positioning makes Cass one of Michigan's safer communities.

Below Michigan's State Average

Cass County's composite risk of 47.71 falls just under Michigan's state average of 49.56, positioning it as one of the state's lower-risk counties. The county benefits from geographic and climatic conditions that limit exposure to major hazards. Residents face fewer natural disaster threats than typical Michigan communities.

Safest in Southwest Michigan

Cass County (47.71) ranks lower than both Branch County (51.81) and significantly lower than Berrien County (81.71), making it the safest county in its southwest Michigan region. The county's distance from Lake Michigan and location away from seismic zones reduce key hazards. This favorable geography positions Cass as a refuge from regional disaster risks.

Modest but Present Threats

Flood risk is Cass's highest concern at 55.57, reflecting some vulnerability to heavy rainfall and water accumulation in low-lying areas. Tornado risk (64.47) remains moderate, requiring basic awareness during severe weather season. These hazards are present but significantly below state averages, allowing residents to focus on standard preparedness measures.

Maintain Standard Precautions

Ensure your homeowners insurance includes comprehensive flood and wind coverage, reviewing your policy annually to maintain adequate replacement value. Keep a weather alert radio and emergency kit accessible, and know where to shelter if a tornado warning is issued. Your lower-risk position allows you to focus on maintenance and standard preparedness rather than extensive retrofitting.

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

Preparedness Guide

What to Prepare for in Cass County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    64th percentile
  2. #2
    FloodPrepare
    56th percentile
  3. #3
    EarthquakePrepare
    51th percentile

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

Risk Advisory: Cass County

Risk Verdict

With a national percentile rank of 48th, Cass County faces below-average hazard exposure relative to U.S. counties as a whole. Being ranked at the 48th percentile nationally is an advantage for Cass County — it means fewer statistically likely events, though basic readiness ensures households are covered when exceptions occur.

Hazard Breakdown

Tornado risk is Cass County's dominant natural hazard, ranked at the 64th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 56th percentile nationally. Additional tracked hazards include earthquake (51th percentile), hurricane (32th percentile), wildfire (19th percentile).

Preparedness Context

At the 64th percentile nationally for tornado risk, Cass County households benefit most from a reliable alert system — a NOAA weather radio that activates during overnight hours when residents may not be checking smartphone alerts. Flood is the second hazard driver for Cass County at the 56th percentile nationally, meaning households should maintain awareness of both severe-weather and flood-specific warning systems. For Cass County households, a pre-decided family shelter plan — who goes where, how children are retrieved from school during a warning, and a neighborhood meet-up point if phones fail — provides real protection that no supply kit alone can replicate.

Regional Context

Cass County tracks the Michigan county average closely, sitting 1.9 composite points below the state mean — neither a standout high-risk nor low-risk county within Michigan.

Is your household prepared for Cass 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 Cass County, MI?
Cass County has a FEMA National Risk Index rating of Relatively Low, placing it in the 48th 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 Cass County?
Cass County is evaluated for five major natural hazard types: tornado (64th percentile), flooding (56th percentile), earthquake (51th percentile), hurricane (32th percentile), wildfire (19th percentile). The highest-risk hazard is tornado at the 64th 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 Cass County risk compare to the Michigan average?
Cass County's composite risk percentile is 48th, compared to the Michigan state average of 50th percentile. The state's overall risk rating is Relatively Low. This means Cass County faces lower natural disaster risk than the typical county in Michigan.
Is Cass County at risk for tornado?
Yes, Cass County's tornado risk is at the 64th percentile nationally. This is above the national median. For flooding specifically, Cass County is at the 56th 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 Cass County a safe place to live?
Cass County's composite risk score of 48th percentile is below the Michigan state average of 50th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is tornado at the 64th 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.