Mequon, WI Tornado History — 68 Tornadoes Since 1950
How many tornadoes has Mequon, WI had?
Mequon has had 68 tornadoes on record within 25 miles since 1950, including 4 strong to violent (EF3+) tornadoes.
When was the most recent tornado near Mequon?
The most recent tornado within 25 miles of Mequon was an EF0 on October 12, 2022.
When is tornado season in Mequon?
July is historically the peak month for tornadoes near Mequon, with 18 on record. April through June account for 27 of the 68 tornadoes on record near Mequon.
At a Glance
Recent Tornado Activity Near Mequon
The last 20 years of confirmed tornadoes within 25 miles — 11 total, averaging 0.6 per year over this window.
Preliminary tornado reports near Mequon 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Preliminary reports are revised, merged, and sometimes withdrawn — historically about 23% are consolidated downward once surveys complete.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.
NWS storm survey finds a brief EF0 tornado damage track beginning near the intersection of Elmwood Rd & Timber Stone Way. Max wind speed 80 MPH. Additional details to f (MKX)
Radar confirmed tornadic debris signature at this location. Multiple roofs ripped off a commercial facility reported by law enforcement. Siding damage to nearby church. (MKX)
Within 25 miles of Mequon. 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 Mequon
4 fatalities have been recorded within 25 miles of Mequon since 1950, across 2 events. 294 injuries have been reported across all events. 1981 was the deadliest year on record near Mequon.
The deadliest single event was an F4 on April 4, 1981, which caused 3 fatalities along a 1.8-mile track.
Notable Tornadoes Near Mequon
What the record shows near Mequon
The 1960s were the busiest decade near Mequon, with 16 of the 68 confirmed tornadoes within 25 miles; the 2020s have produced 4 so far. The Mequon record runs from the 1950s to today.
Of the tornadoes rated near Mequon, 49 reached EF0 or EF1 and 19 reached EF2 or stronger. The most intense on record near Mequon is rated EF4, of which 3 are logged.
Across the last 20 years Mequon has averaged 0.6 confirmed tornadoes a year within 25 miles, 11 in total. 2007 was the busiest of them with 2, and 13 of those years passed with none at all.