Oro Valley, AZ Tornado History — 20 Tornadoes Since 1950
How many tornadoes has Oro Valley, AZ had?
Oro Valley has had 20 tornadoes on record within 25 miles since 1950.
When was the most recent tornado near Oro Valley?
The most recent tornado within 25 miles of Oro Valley was an EF1 on July 2, 2024.
When is tornado season in Oro Valley?
July is historically the peak month for tornadoes near Oro Valley, with 8 on record. April through June account for 2 of the 20 tornadoes on record near Oro Valley.
At a Glance
Recent Tornado Activity Near Oro Valley
The last 20 years of confirmed tornadoes within 25 miles — 6 total, averaging 0.3 per year over this window.
Preliminary tornado reports near Oro Valley since December 29, 2025
These are 2 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Preliminary reports are revised, merged, and sometimes withdrawn — historically about 23% are consolidated downward once surveys complete.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.
[Landspout] Spotter reported a landspout tornado looking west from Saguaro National Park East. (TWC)
[Landspout] Corrects the time of the previous landspout report from 5 NNE Three Points. [Delayed Report]: Trained spotter reports a landspout north of Three Points tha (TWC)
Within 25 miles of Oro Valley. Quoted text is the report narrative exactly as filed. Source: NOAA Storm Prediction Center preliminary storm reports, updated daily.
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 Oro Valley
3 fatalities have been recorded within 25 miles of Oro Valley since 1950, across 2 events. 53 injuries have been reported across all events. 1964 was the deadliest year on record near Oro Valley.
The deadliest single event was an F2 on August 27, 1964, which caused 2 fatalities along a 0.1-mile track.
Notable Tornadoes Near Oro Valley
What the record shows near Oro Valley
The 1990s were the busiest decade near Oro Valley, with 6 of the 20 confirmed tornadoes within 25 miles; the 2020s have produced 4 so far. The Oro Valley record runs from the 1960s to today.
Of the tornadoes rated near Oro Valley, 17 reached EF0 or EF1 and 2 reached EF2 or stronger. The most intense on record near Oro Valley is rated EF2, of which 2 are logged. A further 1 near Oro Valley is unrated — events NOAA logged before a damage survey assigned a scale.
Across the last 20 years Oro Valley has averaged 0.3 confirmed tornadoes a year within 25 miles, 6 in total. 2015 was the busiest of them with 1, and 14 of those years passed with none at all.