Storm risk in Butler County, Ohio

FEMA rates Butler County Relatively Moderate for natural-hazard risk overall, 269th of 3,144 rated counties. For a roof the three that matter are hail (Relatively Moderate), strong wind (Relatively High) and tornado (Relatively High). NOAA logged 56 hail reports here from 2014 to June 2026.

FEMA National Risk Index, version December 2025, retrieved October 8, 2026. Planning-level county ratings.

Butler County: FEMA National Risk Index scores for overall risk, hail, strong wind and tornado, each on a scale of 0 to 100Overall riskOverall risk: score 91.5, Relatively Moderate, 269th of 3,144 rated counties91Relatively Moderate, 269th of 3,144HailHail: score 80.8, Relatively Moderate, 604th of 3,126 rated counties81Relatively Moderate, 604th of 3,126Strong windStrong wind: score 94.3, Relatively High, 181st of 3,121 rated counties94Relatively High, 181st of 3,121TornadoTornado: score 98.0, Relatively High, 63rd of 3,144 rated counties98Relatively High, 63rd of 3,144

Each dot is the county’s score from 0 to 100 against all rated U.S. counties; the bar colour is FEMA’s rating band.

Hazard by hazard

HazardRatingScore (0 to 100)Rank in U.S.Rank in OHExpected yearly loss
OverallRelatively Moderate 91.52696 of 88$84,992,718buildings
HailRelatively Moderate 80.860425 of 88$1,041,151buildings
Strong windRelatively High 94.31818 of 88$2,191,560buildings
TornadoRelatively High 98.0634 of 88$27,923,597all exposure

Rank 1 is the highest score. Expected annual loss is a county total in dollars per year, not a figure per home; the overall, hail and wind rows count buildings only, the tornado row all exposure.

Butler County in plain numbers

  • FEMA's overall rating for Butler County is Relatively Moderate, score 91.5 of 100, 269th of 3,144 rated counties.
  • Hail: Relatively Moderate (score 80.8), 604th nationwide and 25th of 88 counties in Ohio.
  • Expected yearly hail loss to buildings: $1,041,151 for the whole county, about $12.36 per $1 million of building value.
  • NRI's hail record averages 3.6 hail events a year in the county.
  • Strong wind: Relatively High (score 94.3), 181st nationwide; expected yearly loss to buildings $2,191,560, about $26.03 per $1 million of building value.
  • Tornado: Relatively High (score 98.0), 63rd nationwide; total expected yearly loss $27,923,597.
  • Buildings in the county are valued at 84.2 billion dollars in the index; population 390,244.
  • Social vulnerability is rated Relatively Low and community resilience Relatively High.
  • NOAA logged 56 hail reports in Butler County from 2014 to June 2026; hail of 1 inch or more fell on 14 days and the largest stone was 2 inches.
  • 1 of our cities is in the county: Hamilton.
  • 14 ZIP Code Tabulation Areas have more than half of their land area in Butler County.
  • Our guide range for a 2,000 sq ft asphalt roof in Hamilton is $6,370 to $14,105.
  • NOAA lists 10 tornado tracks in the county since 2014.

Where large hail was reported

FEMA scores the county as a whole. NOAA’s storm reports show where inside it the big stones fell.

Reported hail locations, Butler County

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  • 311 to 1.74 in
  • 41.75 to 2.74 in, golf ball to tennis ball
  • 02.75 in and up, baseball

Largest plotted stone: 2 in. Bigger dots are bigger stones.

35 reports of 1 inch or larger have coordinates. Each dot is a reported location, not a storm path.

Sources: NOAA, Census county outline

Cities and ZIP areas in Butler County

1 city in this county is on PickARoofer. ZIP Code Tabulation Areas are Census shapes that approximate ZIP codes; where we have a city’s ZIPs, the share is the part of each area’s land that lies in this county. 14 such areas have more than half their land here.

CityZIP areas (share of land in the county)Pages
Hamilton 45011 (100%), 45064 (52%) Roofers

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Questions

How high is storm risk in Butler County?

FEMA's National Risk Index rates Butler County Relatively Moderate overall. By peril: hail Relatively Moderate, strong wind Relatively High, tornado Relatively High. The highest-scoring of the three for this county is tornado (score 98.0).

How many hail reports has NOAA logged in Butler County?

56 reports between 2014 and June 2026 in NOAA's Storm Events Database. A report is one entry for one storm in one county, so counts follow where people live as well as where hail fell.

What does expected annual loss mean?

It is FEMA's estimate of the average yearly loss from a hazard, in dollars, summed over the county. It is a county total, not a figure per home, and it is built for comparing counties, not for pricing one house.

Does a high rating mean my roof will be damaged?

No. The index compares counties at planning level. It cannot say what will happen on your street. After a storm, a roof inspection is the only way to know.

How does Butler County compare with the rest of Ohio?

For hail it ranks 25th of 88 rated counties in the state; for strong wind 8th of 88; for tornado 4th of 88.

Other Ohio counties

Sources: FEMA National Risk Index, version December 2025, retrieved October 8, 2026; NOAA Storm Events Database; Census Bureau ZCTA-to-county relationship file (2020). This product uses the Federal Emergency Management Agency's National Risk Index dataset but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s). Planning-level information, not an inspection and not insurance advice.