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

Mower County Disaster Risk

Mower County, Minnesota

FEMA Risk Rating

Relatively Low

National Percentile

67th

of 3,144 counties

State Rank

#19

of 87 (1 = highest risk)

Flood Risk

75th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 75% 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

Moderate

Higher than 81% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 18% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 0% of US counties

Risk Overview

About Natural Disaster Risk in Mower County, Minnesota

Mower's risk exceeds national average

Mower County's composite risk score of 67.27 places it in the "Relatively Low" rating category but well above the national average. The county's tornado risk of 81.17 is its defining hazard, making severe spring and summer storms a primary concern.

Above-average risk for Minnesota

At 67.27, Mower County's composite risk significantly exceeds Minnesota's statewide average of 42.38. The county ranks among the higher-risk tier statewide, driven primarily by tornado exposure.

Higher tornado exposure than neighbors

Mower County faces notably elevated tornado risk (81.17) compared to neighboring Dodge and Freeborn counties. Its flood risk of 74.97 also exceeds the regional average, though wildfire risk remains minimal at 18.83.

Tornadoes are the paramount threat

Tornado risk dominates Mower County at 81.17, substantially higher than the state average and among the top hazards statewide. Flooding presents secondary risk at 74.97, while earthquake and wildfire risks remain low.

Storm shelter and flood insurance essential

Mower County residents should prioritize a designated safe room or storm shelter for tornado season and maintain comprehensive flood insurance. Review your homeowners policy to ensure coverage includes wind damage from severe thunderstorms and hail.

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

Preparedness Guide

What to Prepare for in Mower County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    81th percentile
  2. #2
    FloodPrepare
    75th percentile
  3. #3
    WildfirePrepare
    19th percentile

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

Risk Advisory: Mower County

Risk Verdict

Mower County ranks at the 67th percentile nationally for natural disaster risk — below the median for U.S. counties. Residents are encouraged to understand which hazards dominate locally and tailor their preparedness accordingly.

Hazard Breakdown

Tornado risk is Mower County's dominant natural hazard, ranked at the 81th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 75th percentile nationally. Additional tracked hazards include wildfire (19th percentile), earthquake (18th percentile), hurricane (0th percentile).

Preparedness Context

Mower County ranks at the 81th percentile nationally for tornado exposure. Unlike many slow-onset hazards, tornadoes in Mower County can reach full intensity in minutes; a pre-practiced household shelter plan matters far more than stockpiled supplies. The secondary flood hazard at the 75th percentile nationally adds seasonal complexity to Mower County's preparedness calendar, since flood and tornado risk often peak at different points in the year. Mower County county emergency management typically publishes annual severe-weather preparedness guides tailored to local tornado patterns; households benefit from reviewing these before storm season begins each spring.

Regional Context

Compared to other Minnesota counties, Mower County runs 24.9 composite risk points higher than the state mean — reflecting above-average hazard concentration in this area.

Is your household prepared for Mower 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 Mower County, MN?
Mower County has a FEMA National Risk Index rating of Relatively Low, placing it in the 67th 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 Mower County?
Mower County is evaluated for five major natural hazard types: tornado (81th percentile), flooding (75th percentile), wildfire (19th percentile), earthquake (18th percentile), hurricane (0th percentile). The highest-risk hazard is tornado at the 81th 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 Mower County risk compare to the Minnesota average?
Mower County's composite risk percentile is 67th, compared to the Minnesota state average of 42th percentile. The state's overall risk rating is Very Low. This means Mower County faces higher natural disaster risk than the typical county in Minnesota.
Is Mower County at risk for tornado?
Yes, Mower County's tornado risk is at the 81th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Mower County is at the 75th 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 Mower County higher risk than average?
Mower County's composite risk score of 67th percentile is above the Minnesota state average of 42th percentile. This elevated risk is driven by tornado exposure (81th 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.