Cottage Grove, MN Tornado History — 106 Tornadoes Since 1950
How many tornadoes has Cottage Grove, MN had?
Cottage Grove has had 106 tornadoes on record within 25 miles since 1950, including 8 strong to violent (EF3+) tornadoes.
When was the most recent tornado near Cottage Grove?
The most recent tornado within 25 miles of Cottage Grove was an EF0 on August 29, 2024.
When is tornado season in Cottage Grove?
July is historically the peak month for tornadoes near Cottage Grove, with 26 on record. April through June account for 40 of the 106 tornadoes on record near Cottage Grove.
At a Glance
Recent Tornado Activity Near Cottage Grove
The last 20 years of confirmed tornadoes within 25 miles — 45 total, averaging 2.3 per year over this window.
What storm spotters reported near Cottage Grove
One local storm report has been filed within 25 miles of Cottage Grove and since confirmed into the NOAA archive, the earliest on May 15, 2025 and the most recent on May 15, 2025. It is already counted in the Cottage Grove totals above; quoted below is the narrative the reporting office filed at the time.
Deputy reported a tornado on the ground north of Roberts along 110th. (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 Cottage Grove
23 fatalities have been recorded within 25 miles of Cottage Grove since 1950, across 9 events. 650 injuries have been reported across all events. 1965 was the deadliest year on record near Cottage Grove.
The deadliest single event was an F4 on May 6, 1965, which caused 6 fatalities along a 17.3-mile track.
Notable Tornadoes Near Cottage Grove
What the record shows near Cottage Grove
The 2010s were the busiest decade near Cottage Grove, with 20 of the 106 confirmed tornadoes within 25 miles; the 2020s have produced 17 so far. The Cottage Grove record runs from the 1950s to today.
Of the tornadoes rated near Cottage Grove, 87 reached EF0 or EF1 and 19 reached EF2 or stronger. The most intense on record near Cottage Grove is rated EF4, of which 2 are logged.
Across the last 20 years Cottage Grove has averaged 2.3 confirmed tornadoes a year within 25 miles, 45 in total. 2018 was the busiest of them with 6, and 5 of those years passed with none at all.