Ohio County, Indiana

What hazards hit Ohio County most?

The most frequent records are winter storm records: 90 since 1996. 57% of its winter storm records since 1996 fell in January and February. Census land area gives no figure for Ohio County under this code, so it carries no per-area rank.

Source: NOAA NCEI Storm Events Database (county and forecast-zone records attributed to the county; a zone record shows its own totals on each county it covers). Days: dates with at least one record of the hazard in the county. Ranks: days with a record per 1,000 square miles of land (Census Bureau 2024 Gazetteer), since 1950 for tornadoes, 1955 for hail and thunderstorm wind, 1996 for the rest.

How many tornadoes has Ohio County had?

NOAA records 7 tornadoes in Ohio County from 1974 to 2026, the strongest rated F5, with 0 deaths and 64 injuries recorded in the county. A tornado that crossed a county line is counted in each county it touched, with the length of its path inside the county.

Counted as whole tornadoes rather than county records, the Storm Prediction Center's database holds 6 tornadoes whose track touched Ohio County since 1950 (NOAA's county records number 7: they file a crossing tornado once per county segment, and the two databases differ on some tracks); along their whole tracks they killed 3 people, 0 of them in Ohio County.

Map of the strongest tornado tracks in Indiana.

Source: NOAA NCEI Storm Events Database, tornado records by county (path length in the county, maximum width); ratings as published: F scale before February 1, 2007, EF scale after. Whole-track figures: NOAA Storm Prediction Center tornado database (1950-2025). SPC severe weather database.

When was the last damaging storm in Ohio County?

The most recent record with damage, injuries or deaths is the June 17, 2026 tornado ($50,000 in damage in 2025 dollars).

The tornado developed in Dearborn County at 2314EST on Texas Gas Road, about 4 miles east of Dillsboro. It moved east and crossed Laughery Creek as it entered Ohio County at 2317EST, about 2.8 miles southeast of Dillsboro. The tornado then moved across Laughery Creek, producing significant tree damage along and near Laughery Creek and in wooded areas along Hartford Pike, where numerous trees were snapped. Along Holmes Hill Road, more tree damage was observed along with the roof being lifted off an outbuilding. On Thuermer Hollow Road, more trees were damaged and a roof was lifted off a barn. Along State Route 56, additional roof damage to a barn and damage to large healthy trees were noted. Farther east on the Indiana side of the Ohio River, numerous trees were knocked down at a campground. …
National Weather Service event narrative, NOAA Storm Events Database (search the full record, event 1339298)

Source: NOAA NCEI Storm Events Database; every record of 2025-2026 is listed, earlier ones when they caused deaths, injuries or $250,000 of damage (2025 dollars), and every tornado.

The deadliest and costliest records

Source: NOAA NCEI Storm Events Database: deaths and injuries direct and indirect; damage is property plus crops as estimated by the National Weather Service, converted to 2025 dollars.

Is it getting more frequent?

Records per decade for Ohio County's most frequent hazards. Counts rose everywhere after 1996, when NOAA began recording every event type, so compare decades within a hazard's complete period only (the shaded cells come before it).

Source: NOAA NCEI Storm Events Database, records per calendar decade; zone records from the CZ_TYPE field (Z).

What time of year?

57% of its winter storm records since 1996 fell in January and February. The two busiest months are in violet.

Source: NOAA NCEI Storm Events Database, records by the month they began.

Federal disaster declarations for Ohio County

FEMA's register lists 19 declarations that include Ohio County: 15 major disasters, 4 emergencies and 0 fire management assistance declarations. Most were for severe storm (10) and flood (3).

Source: FEMA OpenFEMA Disaster Declarations Summaries (v2), declarations through October 2, 2026; one declaration is counted once however many areas it names. OpenFEMA dataset page.

How many floods has Ohio County had?

NOAA's Storm Events Database holds 46 flood or flash flood records for Ohio County from 1996 to 2022, on 34 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Ohio County ranks 2155th of 2,942 U.S. counties.

The National Flood Insurance Program has paid $111,000 on 17 claims filed in Ohio County; the most in one year was 10 in 1997. Claims count insured losses only: uninsured flood damage is not in this file.

Source: FEMA OpenFEMA NFIP Redacted Claims, as of September 8, 2026; claims by year of loss, payments in the dollars of the year paid. OpenFEMA dataset page.

FEMA's modeled risk for Ohio County

FEMA's National Risk Index rates Ohio County Very Low overall, with an expected annual loss of $3.0 million. These are FEMA's model estimates of future loss from 18 hazards, not a count of what happened; they can differ from the record above.

Source: FEMA National Risk Index, county table, December 2025 release. FEMA's National Risk Index map.

Counties that share a border with Ohio County

1. Ripley County 801
2. Boone County, KY 558
3. Dearborn County 473
4. Switzerland County 284
5. Ohio County 249

Source: U.S. Census Bureau county adjacency file; NOAA NCEI Storm Events Database, records since 1950. The Census Bureau's adjacency file.

Next

• Tornadoes in IndianaEvery Indiana tornado since 1950 and the counties with the most per square mile
• Winter storms in IndianaThe state's winter storm records, by county, year and month
• The Indiana recordEvery hazard in the state, its deadliest events and its federal declarations
• FEMA's risk rating for each hazard in Ohio CountyThe hazard risk calculator: 18 hazards beside the county's record
• Download Ohio County's FEMA declarations (CSV)19 rows: every declaration that named the county, for your own analysis