Oshkosh, WI Tornado History — 120 Tornadoes Since 1950
How many tornadoes has Oshkosh, WI had?
Oshkosh has had 120 tornadoes on record within 25 miles since 1950, including 8 strong to violent (EF3+) tornadoes.
When was the most recent tornado near Oshkosh?
The most recent tornado within 25 miles of Oshkosh was an EF1 on May 21, 2024.
When is tornado season in Oshkosh?
June is historically the peak month for tornadoes near Oshkosh, with 39 on record. April through June account for 70 of the 120 tornadoes on record near Oshkosh.
At a Glance
Recent Tornado Activity Near Oshkosh
The last 20 years of confirmed tornadoes within 25 miles — 34 total, averaging 1.7 per year over this window.
Preliminary tornado reports near Oshkosh since December 29, 2025
This is a preliminary report, not confirmed tornadoes. It has not yet been through an NWS damage survey, and is 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Preliminary reports are revised, merged, and sometimes withdrawn — historically about 23% are consolidated downward once surveys complete.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.
A tornado... preliminarily EF-3 with estimated winds up to 140 mph... developed 2 miles WNW of Appleton and tracked southward into Fox Crossing and Menasha with damage (GRB)
Within 25 miles of Oshkosh. 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 Oshkosh
11 fatalities have been recorded within 25 miles of Oshkosh since 1950, across 5 events. 177 injuries have been reported across all events. 1956 was the deadliest year on record near Oshkosh.
The deadliest single event was an F4 on April 3, 1956, which caused 7 fatalities along a 11.5-mile track.
Notable Tornadoes Near Oshkosh
What the record shows near Oshkosh
The 2010s were the busiest decade near Oshkosh, with 27 of the 120 confirmed tornadoes within 25 miles; the 2020s have produced 6 so far. The Oshkosh record runs from the 1950s to today.
Of the tornadoes rated near Oshkosh, 91 reached EF0 or EF1 and 28 reached EF2 or stronger. The most intense on record near Oshkosh is rated EF5, of which 1 is logged. A further 1 near Oshkosh is unrated — events NOAA logged before a damage survey assigned a scale.
Across the last 20 years Oshkosh has averaged 1.7 confirmed tornadoes a year within 25 miles, 34 in total. 2011 was the busiest of them with 8, and 7 of those years passed with none at all.