Tualatin, OR Tornado History — 25 Tornadoes Since 1950
How many tornadoes has Tualatin, OR had?
Tualatin has had 25 tornadoes on record within 25 miles since 1950, including 1 violent (EF3+) tornado.
When was the most recent tornado near Tualatin?
The most recent tornado within 25 miles of Tualatin was an EF0 on October 24, 2022.
When is tornado season in Tualatin?
October is historically the peak month for tornadoes near Tualatin, with 10 on record. Spring through early summer (April–June) generally sees the highest activity across most of the central and southern United States.
At a Glance
Recent Tornado Activity Near Tualatin
The last 20 years of confirmed tornadoes within 25 miles — 12 total, averaging 0.6 per year over this window.
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 Tualatin
6 fatalities have been recorded within 25 miles of Tualatin since 1950, across 1 event. 300 injuries have been reported across all events. 1972 was the deadliest year on record.
The deadliest single event was a F3 on April 5, 1972, which caused 6 fatalities along a 8.7-mile track.
Notable Tornadoes Near Tualatin
About Tornadoes in Tualatin
This overview was written April 23, 2026. The tornado counts and notable-event figures elsewhere on this page reflect the latest data and may differ from this summary.
Tualatin, Oregon, has experienced 25 documented tornadoes within a 25-mile radius since 1950, according to the NOAA Storm Prediction Center. While tornadoes are relatively uncommon in the Pacific Northwest compared to the central United States, the region does see occasional tornado activity, particularly during the fall and winter months when atmospheric conditions can support rotating storms.
The most active period for tornadoes near Tualatin has been recent decades, with 8 events recorded in the 2010s and 6 in the 1990s. October stands out as the peak month for tornado occurrence, accounting for 10 of the 25 total events on record. This seasonal pattern differs from the spring-dominant tornado climatology seen in much of the country, reflecting the Pacific Northwest's unique weather patterns driven by maritime influences and frontal systems moving inland from the Pacific Ocean.
The vast majority of tornadoes in the area have been weak, with 16 rated EF0 and 7 rated EF1 on the Enhanced Fujita scale, which measures tornado intensity based on damage. However, the region has experienced stronger events. The most significant tornado on record occurred on April 5, 1972, when an F3 tornado carved an 8.7-mile path with a maximum width of 440 yards, resulting in 6 fatalities and $27.5 million in property damage. This event remains both the deadliest and costliest tornado documented near Tualatin.
More recently, an EF1 tornado on January 10, 2008, traveled 10.1 miles with a maximum width of 440 yards, causing $525,000 in property damage but no fatalities. This tornado holds the record for both the longest path and widest width among all events in the area. The most recent tornado occurred on October 24, 2022, a brief EF0 event with a maximum width of just 17 yards that caused $25,000 in damage and no injuries.