Chisago County, Minnesota tornado history

26 tornadoes recorded in or across Chisago County from 1954 to 2020, coloured by rating on the map.

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Years1950 to 2025
Rating (F or EF scale)

Shows tornadoes that started in, or crossed, the chosen state. To see how many have passed near you, search a town or ZIP code, or tap the map.

Key
  • F0 / EF0 Light damage
  • F1 / EF1 Moderate damage
  • F2 / EF2 Considerable damage
  • F3 / EF3 Severe damage
  • F4 / EF4 Devastating damage
  • F5 / EF5 Incredible damage
  • Unknown Not rated (2007 onwards)

How to read the lines. Each line is one tornado, drawn from where it started to where it ended, coloured and sized by its rating. A dot means the record has no end point. Tap a line for its details, or tap anywhere else to see how many tornadoes have passed nearby. Weaker tornadoes appear as you zoom in. Ratings use the Fujita (F) scale before 1 February 2007 and the Enhanced Fujita (EF) scale from then on.

Tornadoes in Chisago County

The Storm Prediction Center records 26 tornadoes whose paths touched Chisago County, Minnesota between 1954 and 2020. None of them is recorded as having killed anyone. The busiest month is July, with 13 tornadoes. The strongest was an F4 on 21 May 1957. The most recent was on 18 July 2020.

  • 26tornadoes
  • 0deaths
  • 8injuries
  • 627per 10,000 sq mi of land

A tornado that crossed several counties counts in each one, so county counts add up to more than the state's.

How strong were the tornadoes in Chisago County?

RatingTornadoesShare
F0 / EF01662%
F1 / EF1831%
F2 / EF214%
F3 / EF300%
F4 / EF414%
F5 / EF500%
Unknown rating00%

Chisago County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 8 in 1990s.1950s21960s31980s21990s82000s52010s52020s1

The 2020s only run to 2020, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1950s2
1960s3
1980s2
1990s8
2000s5
2010s5
2020s1
Tornadoes by month
Bar chart of tornadoes by period. The most is 13 in Jul.Jan0Feb0Mar0Apr0May4Jun7Jul13Aug1Sep0Oct1Nov0Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar0
Apr0
May4
Jun7
Jul13
Aug1
Sep0
Oct1
Nov0
Dec0

Records for Chisago County

  • Strongest: Harris, Minnesota tornado21 May 1957, F4, 2 injuries, 9.2 miles long
  • Longest path: Minnesota tornado21 July 1995, F1, 13 miles long
  • Most recent: Minnesota tornado18 July 2020, EF0, 1.3 miles long

Notable tornadoes in Chisago County

Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.

More in Minnesota

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