Denison, TX Tornado History — 156 Tornadoes Since 1950
How many tornadoes has Denison, TX had?
Denison has had 156 tornadoes on record within 25 miles since 1950, including 17 strong to violent (EF3+) tornadoes.
When was the most recent tornado near Denison?
The most recent tornado within 25 miles of Denison was an EF1 on June 8, 2025.
When is tornado season in Denison?
April is historically the peak month for tornadoes near Denison, with 53 on record. April through June account for 102 of the 156 tornadoes on record near Denison.
At a Glance
Recent Tornado Activity Near Denison
The last 20 years of confirmed tornadoes within 25 miles — 34 total, averaging 1.7 per year over this window.
What storm spotters reported near Denison
3 local storm reports have been filed within 25 miles of Denison and since confirmed into the NOAA archive, the earliest on April 19, 2025 and the most recent on June 8, 2025. They are already counted in the Denison totals above; quoted below is the narrative each reporting office filed at the time.
The same parent storm that produced the Ravenna tornado also spawned another EF-1 tornado that touched down along FM 274 around 2 miles south of Ravenna... causing mino (FWD)
NWS Survey Results: An EF1 tornado touched down along Rockport Road and moved southeast across Ford Road... blowing down several trees and damaging a few barns. Much mo (FWD)
Damage reported near Page Road and Powell Road from what was likely a tornado. (OUN)
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 Denison
16 fatalities have been recorded within 25 miles of Denison since 1950, across 9 events. 143 injuries have been reported across all events. 1957 was the deadliest year on record near Denison.
The deadliest single event was an F4 on April 2, 1957, which caused 3 fatalities along a 7.9-mile track.
Notable Tornadoes Near Denison
What the record shows near Denison
The 1950s were the busiest decade near Denison, with 29 of the 156 confirmed tornadoes within 25 miles; the 2020s have produced 14 so far. The Denison record runs from the 1950s to today.
Of the tornadoes rated near Denison, 104 reached EF0 or EF1 and 51 reached EF2 or stronger. The most intense on record near Denison is rated EF4, of which 2 are logged. A further 1 near Denison is unrated — events NOAA logged before a damage survey assigned a scale.
Across the last 20 years Denison has averaged 1.7 confirmed tornadoes a year within 25 miles, 34 in total. 2015 was the busiest of them with 7, and 10 of those years passed with none at all.