Dayton, OH Tornado History — 139 Tornadoes Since 1950
How many tornadoes has Dayton, OH had?
Dayton has had 139 tornadoes on record within 25 miles since 1950, including 11 strong to violent (EF3+) tornadoes.
When was the most recent tornado near Dayton?
The most recent tornado within 25 miles of Dayton was an EF0 on July 19, 2025.
When is tornado season in Dayton?
May is historically the peak month for tornadoes near Dayton, with 43 on record. April through June account for 90 of the 139 tornadoes on record near Dayton.
At a Glance
Recent Tornado Activity Near Dayton
The last 20 years of confirmed tornadoes within 25 miles — 69 total, averaging 3.5 per year over this window.
Preliminary tornado reports near Dayton since December 29, 2025
This is a preliminary report, not confirmed tornadoes. It has not yet been through an NWS damage survey, and is 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Preliminary reports are revised, merged, and sometimes withdrawn — historically about 23% are consolidated downward once surveys complete.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)
Within 25 miles of Dayton. Quoted text is the report narrative exactly as filed. Source: NOAA Storm Prediction Center preliminary storm reports, updated daily.
What storm spotters reported near Dayton
2 local storm reports have been filed within 25 miles of Dayton and since confirmed into the NOAA archive, the earliest on April 2, 2025 and the most recent on July 19, 2025. They are already counted in the Dayton totals above; quoted below is the narrative each reporting office filed at the time.
An EF0 tornado was confirmed in Clark County... OH from the storms that occurred the evening of July 19... 2025 based on NWS survey results. The primary damage with thi (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)
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 Dayton
40 fatalities have been recorded within 25 miles of Dayton since 1950, across 4 events. 1,602 injuries have been reported across all events. 1974 was the deadliest year on record near Dayton.
The deadliest single event was an F5 on April 3, 1974, which caused 36 fatalities along a 31.3-mile track.
Notable Tornadoes Near Dayton
What the record shows near Dayton
The 2010s were the busiest decade near Dayton, with 43 of the 139 confirmed tornadoes within 25 miles; the 2020s have produced 25 so far. The Dayton record runs from the 1950s to today.
Of the tornadoes rated near Dayton, 111 reached EF0 or EF1 and 28 reached EF2 or stronger. The most intense on record near Dayton is rated EF5, of which 1 is logged.
Across the last 20 years Dayton has averaged 3.5 confirmed tornadoes a year within 25 miles, 69 in total. 2019 was the busiest of them with 13, and 4 of those years passed with none at all.