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EF1 tornado in Freeborn County, Minnesota

Tornado May 17, 2026 · Freeborn County, Minnesota

EF1
Rating
1.1 mi
Path length
50 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 50 yards (0.03 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF1 means. On the Enhanced Fujita scale, EF1 is moderate damage: roofs badly stripped, mobile homes pushed off foundations or overturned, windows broken, consistent with estimated gusts of 86–110 mph. The rating comes from a survey of the worst damage after the storm, not from a wind measurement, so it says as much about what the tornado hit as about how strong it was.

What the National Weather Service wrote

This tornado's track and timing are based on drone and ground survey from the Freeborn County Sheriff's Office. The tornado appears to have started in a field just south of 160th Street, then damaged several trees and buildings on the corner of 160th Street and 650th Avenue. The tornado then continued to travel northeast, damaging additional trees and buildings before dissipating in a field just south of 170th Street. The maximum wind speed was estimated at 105 mph.

The wider storm

A line of storms developed along a cold front Sunday afternoon, stretching from South Dakota all the way down through central Kansas. As the storms progressed eastward through the evening, they moved into a favorable environment for tornado and severe wind development. Several tornadoes were observed across northeast Iowa, southeast South Dakota, and extreme southern Minnesota. There were two tornadoes in Freeborn County and one tornado in Martin County.

In addition to the tornadoes, there were reports of wind damage across southern MN. Minor structural damage and scattered tree damage suggest wind speeds around 60 to 75 mph were likely tied to the thunderstorms.

Began near Conger (43.5843, -93.5724).

Other tornadoes from the same storm system

2 more tornadoes the National Weather Service filed under this storm episode.

Source: NOAA Storm Events Database, event 1339447. Narratives are written by the National Weather Service forecast office that issued the report.

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