Hamilton, OH Tornado History — 93 Tornadoes Since 1950
How many tornadoes has Hamilton, OH had?
Hamilton has had 93 tornadoes on record within 25 miles since 1950, including 8 strong to violent (EF3+) tornadoes.
When was the most recent tornado near Hamilton?
The most recent tornado within 25 miles of Hamilton was an EF0 on April 2, 2025.
When is tornado season in Hamilton?
May is historically the peak month for tornadoes near Hamilton, with 20 on record. April through June account for 51 of the 93 tornadoes on record near Hamilton.
At a Glance
Recent Tornado Activity Near Hamilton
The last 20 years of confirmed tornadoes within 25 miles — 36 total, averaging 1.8 per year over this window.
Preliminary tornado reports near Hamilton since December 29, 2025
These are 2 preliminary reports, not confirmed tornadoes. They have not yet been through an NWS damage survey, and are not counted in the confirmed totals above.
Preliminary reports are revised, merged, and sometimes withdrawn — historically about 23% are consolidated downward once surveys complete. Ratings are omitted until a survey assigns one.
Confirmed records above are complete through December 29, 2025. NOAA publishes the confirmed archive annually, so tornadoes after that date appear here first and move into the totals above once finalized.
EF0 tornado confirmed east of New Lebanon in Montgomery County... Ohio. Maximum winds of 75 MPH. This tornado caused tree damage along Snyder Road... with some minor da (ILN)
An EF-2 tornado was confirmed in Franklin County... Indiana... crossing over into Butler County... Ohio. The maximum estimated winds for this tornado were around 125 MP (ILN)
Within 25 miles of Hamilton. Quoted text is the report narrative exactly as filed. Source: NOAA Storm Prediction Center preliminary storm reports, updated daily.
What storm spotters reported near Hamilton
3 local storm reports have been filed within 25 miles of Hamilton and since confirmed into the NOAA archive, the earliest on April 2, 2025 and the most recent on April 2, 2025. They are already counted in the Hamilton totals above; quoted below is the narrative each reporting office filed at the time.
NWS damage survey confirmed an EF0 south of Morrow... Ohio. Estimated max winds of 80 mph... with a path length of 8.7 miles. (ILN)
NWS damage survey confirmed an EF0 tornado from far northern Warren County into southeastern Montgomery County Ohio. Maximum estimated winds of 80 mph with a path lengt (ILN)
NWS storm survey confirmed an EF-0 tornado in Franklin County... Indiana. Estimated max wind speed of 85 mph with a path length of 11 miles. (ILN)
Source: National Weather Service and trained-spotter local storm reports, relayed by the NOAA Storm Prediction Center.
Tornadoes by Decade
Tornadoes by Enhanced Fujita Rating
F0–F5 ratings (pre-2007) are grouped with their EF equivalents. The Enhanced Fujita scale replaced the original Fujita scale in February 2007.
Tornadoes by Month
Casualties on Record Near Hamilton
14 fatalities have been recorded within 25 miles of Hamilton since 1950, across 5 events. 707 injuries have been reported across all events. 1974 was the deadliest year on record near Hamilton.
The deadliest single event was an F4 on April 9, 1999, which caused 4 fatalities along a 10.0-mile track.
Notable Tornadoes Near Hamilton
What the record shows near Hamilton
The 2020s are the busiest decade on record so far near Hamilton, with 25 of the 93 confirmed tornadoes within 25 miles. The Hamilton record runs from the 1950s to today.
Of the tornadoes rated near Hamilton, 72 reached EF0 or EF1 and 21 reached EF2 or stronger. The most intense on record near Hamilton is rated EF5, of which 1 is logged.
Across the last 20 years Hamilton has averaged 1.8 confirmed tornadoes a year within 25 miles, 36 in total. 2024 was the busiest of them with 9, and 7 of those years passed with none at all.