Mankato, MN Tornado History — 105 Tornadoes Since 1950
How many tornadoes has Mankato, MN had?
Mankato has had 105 tornadoes on record within 25 miles since 1950, including 5 strong to violent (EF3+) tornadoes.
When was the most recent tornado near Mankato?
The most recent tornado within 25 miles of Mankato was an EF0 on September 4, 2025.
When is tornado season in Mankato?
June is historically the peak month for tornadoes near Mankato, with 37 on record. April through June account for 53 of the 105 tornadoes on record near Mankato.
At a Glance
Recent Tornado Activity Near Mankato
The last 20 years of confirmed tornadoes within 25 miles — 36 total, averaging 1.8 per year over this window.
What storm spotters reported near Mankato
4 local storm reports have been filed within 25 miles of Mankato and since confirmed into the NOAA archive, the earliest on June 16, 2025 and the most recent on September 4, 2025. They are already counted in the Mankato totals above; quoted below is the narrative each reporting office filed at the time.
Delayed report. A tornado hit a farmstead... knocking down and breaking multiple trees across the property. Timing via radar. No other damage reported yet. (MPX)
Delayed report... time estimated from radar. A brief tornado touched down in a cornfield southeast of Lafayette MN... and travel east for 3.5 miles. It damaged the roof (MPX)
Brief tornado touched down north of Mankato. Several trained spotters observed tornado touchdown. (MPX)
Storms chasers confirmed brief tornado touched down just north of Courtland. (MPX)
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
Casualties on Record Near Mankato
6 fatalities have been recorded within 25 miles of Mankato since 1950, across 5 events. 121 injuries have been reported across all events. 1998 was the deadliest year on record near Mankato.
The deadliest single event was an F3 on April 30, 1967, which caused 2 fatalities along a 18.4-mile track.
Notable Tornadoes Near Mankato
What the record shows near Mankato
The 2010s were the busiest decade near Mankato, with 27 of the 105 confirmed tornadoes within 25 miles; the 2020s have produced 8 so far. The Mankato record runs from the 1950s to today.
Of the tornadoes rated near Mankato, 84 reached EF0 or EF1 and 20 reached EF2 or stronger. The most intense on record near Mankato is rated EF4, of which 1 is logged. A further 1 near Mankato is unrated — events NOAA logged before a damage survey assigned a scale.
Across the last 20 years Mankato has averaged 1.8 confirmed tornadoes a year within 25 miles, 36 in total. 2010 was the busiest of them with 7, and 6 of those years passed with none at all.