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

Boone County Disaster Risk

Boone County, Nebraska

FEMA Risk Rating

Relatively Low

National Percentile

43th

of 3,144 counties

State Rank

#18

of 93 (1 = highest risk)

Flood Risk

32th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 32% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 43% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 52% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 13% of US counties

Risk Overview

About Natural Disaster Risk in Boone County, Nebraska

Boone County faces moderate tornado risk

With a composite risk score of 43.35, Boone County rates as relatively low nationally but well above Nebraska's state average of 25.80. Tornadoes (51.97) and flooding (32.03) combine to elevate the county's overall profile.

Moderate tornado and flood threat

Boone County's composite score of 43.35 places it mid-range for Nebraska; its tornado risk of 51.97 is above-average statewide, and flood risk of 32.03 is a notable secondary concern. Together, these hazards outpace the county's wildfire and earthquake risks.

Riskier than western county neighbors

Boone County's score of 43.35 is substantially higher than Arthur County (0.29), Banner County (0.80), and Blaine County (0.45), reflecting its eastern location in Nebraska's more active weather zone. It ranks somewhat below Adams County (64.31).

Tornadoes and flooding top concerns

Tornadoes (51.97) present the greatest risk, followed closely by flooding (32.03)—both hazards frequently strike central Nebraska. Wildfire (43.10) and earthquake (12.95) threats are comparatively minor.

Ensure comprehensive storm coverage

Comprehensive homeowners insurance with tornado, wind, and hail riders is essential for Boone County residents. Consider flood insurance separately through the National Flood Insurance Program if you're in or near a floodplain; standard policies exclude flood damage entirely.

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

Preparedness Guide

What to Prepare for in Boone County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    52th percentile
  2. #2
    WildfirePrepare
    43th percentile
  3. #3
    FloodPrepare
    32th percentile

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

Risk Advisory: Boone County

Risk Verdict

With a national percentile rank of 43th, Boone County faces below-average hazard exposure relative to U.S. counties as a whole. The 43th percentile national ranking is one lens; Boone County residents also benefit from reviewing which specific hazard types drive the county's composite score and preparing accordingly.

Hazard Breakdown

Tornado risk is Boone County's dominant natural hazard, ranked at the 52th percentile nationally under FEMA's National Risk Index. Wildfire ranks second at the 43th percentile nationally. Additional tracked hazards include flood (32th percentile), earthquake (13th percentile).

Preparedness Context

At the 52th percentile nationally for tornado risk, Boone 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. The secondary wildfire hazard at the 43th percentile nationally adds seasonal complexity to Boone County's preparedness calendar, since wildfire and tornado risk often peak at different points in the year. For Boone 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

At 17.6 points above the Nebraska state average, Boone County carries meaningfully higher natural disaster exposure than a typical Nebraska county.

Is your household prepared for Boone 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 Boone County, NE?
Boone County has a FEMA National Risk Index rating of Relatively Low, placing it in the 43th 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 Boone County?
Boone County is evaluated for five major natural hazard types: tornado (52th percentile), wildfire (43th percentile), flooding (32th percentile), earthquake (13th percentile). The highest-risk hazard is tornado at the 52th 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 Boone County risk compare to the Nebraska average?
Boone County's composite risk percentile is 43th, compared to the Nebraska state average of 26th percentile. The state's overall risk rating is Very Low. This means Boone County faces higher natural disaster risk than the typical county in Nebraska.
Is Boone County at risk for tornado?
Yes, Boone County's tornado risk is at the 52th percentile nationally. This is above the national median. For flooding specifically, Boone County is at the 32th 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 Boone County higher risk than average?
Boone County's composite risk score of 43th percentile is above the Nebraska state average of 26th percentile. This elevated risk is driven by tornado exposure (52th percentile). 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.