Corvallis, OR Tornado History — 10 Tornadoes Since 1950
How many tornadoes has Corvallis, OR had?
Corvallis has had 10 tornadoes on record within 25 miles since 1950.
When was the most recent tornado near Corvallis?
The most recent tornado within 25 miles of Corvallis was an Unrated on August 6, 2025.
When is tornado season in Corvallis?
June is historically the peak month for tornadoes near Corvallis, with 4 on record. April through June account for 4 of the 10 tornadoes on record near Corvallis.
At a Glance
Recent Tornado Activity Near Corvallis
The last 20 years of confirmed tornadoes within 25 miles — 5 total, averaging 0.3 per year over this window.
What storm spotters reported near Corvallis
One local storm report has been filed within 25 miles of Corvallis and since confirmed into the NOAA archive, the earliest on August 6, 2025 and the most recent on August 6, 2025. It is already counted in the Corvallis totals above; quoted below is the narrative the reporting office filed at the time.
[Landspout] A landspout was photographed and briefly recorded to the west-northwest of Central Linn High School in the fields between Halsey and Peoria. No damage has (PQR)
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
Have any tornadoes near Corvallis been fatal?
No fatalities are on record within 25 miles of Corvallis from any of the 10 tornadoes since 1950, according to NOAA Storm Prediction Center records.
Notable Tornadoes Near Corvallis
What the record shows near Corvallis
The 1990s were the busiest decade near Corvallis, with 3 of the 10 confirmed tornadoes within 25 miles; the 2020s have produced 2 so far. The Corvallis record runs from the 1960s to today.
Of the tornadoes rated near Corvallis, 9 reached EF0 or EF1 and 0 reached EF2 or stronger. The most intense on record near Corvallis is rated EF1, of which 2 are logged. A further 1 near Corvallis is unrated — events NOAA logged before a damage survey assigned a scale.
Across the last 20 years Corvallis has averaged 0.3 confirmed tornadoes a year within 25 miles, 5 in total. 2007 was the busiest of them with 1, and 15 of those years passed with none at all.