Isanti County, Minnesota tornadoes

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14confirmed tornadoes since NOAA records began in 1950 (the first here in 1981). Most recent: August 29, 2024, EF1. 2026 so far: 0 preliminary reports preliminary

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Map

Every tornado path in the county

Tornado paths, 1950 to 2025
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(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5Unrated

Each path is a straight line from where the tornado started to where it ended, which is all most NOAA records hold. Tap a path for its details.

Recent warnings

Recent warnings in Isanti County

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The record

At a glance

Total141950 to 2025
Per year0.2average since 1950
Peak monthJuly7 of 14
StrongestF2Jun 13, 1981
Deaths0whole paths, see note
Injuries4whole paths, see note

Deaths and injuries are NOAA's totals for each tornado's whole path, which can extend beyond Isanti County.

Seasons

When tornadoes hit here

By month

70 Jan: 0Feb: 0Mar: 0Apr: 1May: 0Jun: 4Jul: 7Aug: 1Sep: 0Oct: 1Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

July is the peak month, with 7 of 14 tornadoes.

By time of day

40 12 AM: 0: 0: 03 AM: 0: 0: 06 AM: 0: 0: 09 AM: 0: 0: 012 PM: 0: 1: 13 PM: 1: 0: 26 PM: 4: 4: 09 PM: 0: 0: 112 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 6:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

40 1950: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01960: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01970: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01980: 0: 1: 0: 0: 0: 0: 0: 0: 0: 11990: 0: 1: 0: 0: 0: 4: 1: 1: 0: 02000: 0: 1: 1: 0: 0: 0: 0: 0: 0: 02010: 0: 1: 0: 0: 0: 0: 0: 0: 0: 02020: 1: 0: 0: 0: 1: 019501960197019801990200020102020

The line is the five-year average. Tornadoes before about 1953 were under-reported, and better radar since the 1990s finds more weak ones.

By rating

EF0
4
EF1
9
EF2
1

Ratings before February 2007 use the original F scale; the numbers line up with today's EF scale. Unknown means NOAA could not assign a rating.

The record

Notable tornadoes

Strongest

F2, June 13, 1981

2 mile path Longest path

13 miles, F1

July 21, 1995, whole path Widest

880 yards, F1

October 26, 1996
Every tornado

All 14 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Aug 29, 2024EF19.63 mi250 yd00
Jul 17, 2020EF12.96 mi150 yd00
Jul 30, 2011EF05.16 mi100 yd00
Jun 25, 2002F11 mi100 yd00
Jun 18, 2001F18.3 min/a00
Jul 1, 1997F110 mi400 yd00
Oct 26, 1996F112 mi880 yd01
Jul 21, 1995F113 mi220 yd00
Jul 21, 1995F00.1 mi10 yd00
Jul 21, 1995F16 mi300 yd00
Jul 21, 1995F18 mi200 yd03
Apr 29, 1991F01.1 mi10 yd00
Jun 12, 1989F010 mi20 yd00
Jun 13, 1981F22 mi100 yd00
Nearby

Nearby counties

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Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025, and SPC preliminary reports for 2026. Page built October 13, 2026.