Owasso, OK Tornado History — 215 Tornadoes Since 1950
How many tornadoes has Owasso, OK had?
Owasso has had 215 tornadoes on record within 25 miles since 1950, including 19 strong to violent (EF3+) tornadoes.
When was the most recent tornado near Owasso?
The most recent tornado within 25 miles of Owasso was an EF0 on November 20, 2025.
When is tornado season in Owasso?
May is historically the peak month for tornadoes near Owasso, with 77 on record. April through June account for 150 of the 215 tornadoes on record near Owasso.
At a Glance
Recent Tornado Activity Near Owasso
The last 20 years of confirmed tornadoes within 25 miles — 78 total, averaging 3.9 per year over this window.
Preliminary tornado reports near Owasso since December 29, 2025
These are 7 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Preliminary reports are revised, merged, and sometimes withdrawn — historically about 23% are consolidated downward once surveys complete.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.
TDS observed from KINX. Location was near 71st and US Highway 75. Timing based on radar data. (TSA)
TDS from radar and reports of tornado from spotters. (TSA)
TDS from radar and reports of power flashes at 91st S and the Creek Turnpike. (TSA)
A tornado damaged the roofs of numerous homes and broke windows... uprooted or snapped trees... and damaged outbuildings. KINX WSR-88D radar data indicate that this tor (TSA)
TDS from radar. (TSA)
TDS from radar. (TSA)
A tornado uprooted trees... damaged several homes... destroyed outbuildings... and blew down power poles. (TSA)
Within 25 miles of Owasso. Quoted text is the report narrative exactly as filed. Source: NOAA Storm Prediction Center preliminary storm reports, updated daily.
What storm spotters reported near Owasso
3 local storm reports have been filed within 25 miles of Owasso and since confirmed into the NOAA archive, the earliest on April 1, 2025 and the most recent on November 20, 2025. They are already counted in the Owasso totals above; quoted below is the narrative each reporting office filed at the time.
Storm chaser observed a brief tornado near the intersection of 41st Street and 129th East Avenue. (TSA)
A tornado uprooted several trees... destroyed a couple outbuildings... damaged the roofs of homes... and snapped numerous large tree limbs. The damage supported a low-e (TSA)
Tornadic debris signature visible on radar near 96th and Garnett in Owasso. Tornado likely started further to the west-southwest of this location... and continued to th (TSA)
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 Owasso
41 fatalities have been recorded within 25 miles of Owasso since 1950, across 11 events. 892 injuries have been reported across all events. 1974 was the deadliest year on record near Owasso.
The deadliest single event was an F4 on June 8, 1974, which caused 14 fatalities along a 29.0-mile track.
Notable Tornadoes Near Owasso
What the record shows near Owasso
The 2010s were the busiest decade near Owasso, with 55 of the 215 confirmed tornadoes within 25 miles; the 2020s have produced 18 so far. The Owasso record runs from the 1950s to today.
Of the tornadoes rated near Owasso, 154 reached EF0 or EF1 and 59 reached EF2 or stronger. The most intense on record near Owasso is rated EF5, of which 1 is logged. A further 2 near Owasso are unrated — events NOAA logged before a damage survey assigned a scale.
Across the last 20 years Owasso has averaged 3.9 confirmed tornadoes a year within 25 miles, 78 in total. 2019 was the busiest of them with 17, and 4 of those years passed with none at all.