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

Otter Tail County Disaster Risk

Otter Tail County, Minnesota

FEMA Risk Rating

Relatively Low

National Percentile

79th

of 3,144 counties

State Rank

#9

of 87 (1 = highest risk)

Flood Risk

83th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Moderate

Higher than 83% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 79% of US counties

Tornado

Tornado and severe thunderstorm risk

Moderate

Higher than 84% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 19% of US counties

Risk Overview

About Natural Disaster Risk in Otter Tail County, Minnesota

Otter Tail faces elevated national risk

Otter Tail County's composite risk score of 79.39 places it in the "Relatively Low" rating but well above the national average. The county's exposure to flooding (83.43), tornadoes (84.16), and wildfire (79.33) makes it one of the nation's more hazard-prone regions.

Among Minnesota's highest-risk counties

At 79.39, Otter Tail County ranks in the top tier statewide, nearly doubling Minnesota's average of 42.38. Only a handful of counties in the state exceed this risk profile.

Significantly riskier than surrounding areas

Otter Tail County faces notably higher risk than neighboring Grant, Douglas, and Pope counties. Its combined flood, tornado, and wildfire exposure is exceptional in the region, positioning it as a hazard concentration area.

Tornadoes, floods, and wildfires all significant

Otter Tail County residents face exceptional tornado risk at 84.16, flood risk at 83.43, and wildfire risk at 79.33—all substantially above state averages. This triple-threat hazard profile requires multi-layered preparedness and protection strategies.

Comprehensive coverage and shelter critical

Otter Tail County residents should maintain flood insurance, wildfire-resistant landscaping, and a designated storm shelter for tornado season. Review homeowners insurance annually to ensure it covers wind, water, and fire damage, and keep emergency supplies accessible year-round.

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

Preparedness Guide

What to Prepare for in Otter Tail County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    84th percentile
  2. #2
    FloodPrepare
    83th percentile
  3. #3
    WildfirePrepare
    79th percentile

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

Risk Advisory: Otter Tail County

Risk Verdict

Otter Tail County has a below-average natural disaster risk profile, scoring at the 79th percentile nationally under FEMA's National Risk Index. This risk level calls for more than general awareness: insurance coverage review, a family communication plan, and a prepared go-bag are practical priorities.

Hazard Breakdown

Tornado risk is Otter Tail County's dominant natural hazard, ranked at the 84th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 83th percentile nationally. Additional tracked hazards include wildfire (79th percentile), earthquake (19th percentile).

Preparedness Context

Tornado risk is Otter Tail County's top-ranked natural hazard at the 84th percentile nationally. For Otter Tail County households, the most protective action available is identifying a reinforced interior room on the lowest floor — a bathroom, closet, or central hallway away from windows. The secondary flood hazard at the 83th percentile nationally adds seasonal complexity to Otter Tail County's preparedness calendar, since flood and tornado risk often peak at different points in the year. A battery-powered NOAA All Hazards weather radio with an auto-alert tone is the highest-leverage single item for tornado preparedness in Otter Tail County, since it delivers warnings even when power is out and phone networks are congested.

Regional Context

Otter Tail County's composite risk score sits 37.0 points above the Minnesota county average, placing it among the more hazard-exposed counties in the state.

Is your household prepared for Otter Tail 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 Otter Tail County, MN?
Otter Tail County has a FEMA National Risk Index rating of Relatively Low, placing it in the 79th 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 Otter Tail County?
Otter Tail County is evaluated for five major natural hazard types: tornado (84th percentile), flooding (83th percentile), wildfire (79th percentile), earthquake (19th percentile). The highest-risk hazard is tornado at the 84th 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 Otter Tail County risk compare to the Minnesota average?
Otter Tail County's composite risk percentile is 79th, compared to the Minnesota state average of 42th percentile. The state's overall risk rating is Very Low. This means Otter Tail County faces higher natural disaster risk than the typical county in Minnesota.
Is Otter Tail County at risk for tornado?
Yes, Otter Tail County's tornado risk is at the 84th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Otter Tail County is at the 83th 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 Otter Tail County higher risk than average?
Otter Tail County's composite risk score of 79th percentile is above the Minnesota state average of 42th percentile. This elevated risk is driven by tornado exposure (84th percentile), along with flooding and wildfire 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.