Osceola County, Iowa tornado history

35 tornadoes recorded in or across Osceola County from 1964 to 2021, 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 Osceola County

The Storm Prediction Center records 35 tornadoes whose paths touched Osceola County, Iowa between 1964 and 2021. None of them is recorded as having killed anyone. The busiest month is June, with 17 tornadoes. The strongest was an EF4 on 25 June 2010. The most recent was on 20 August 2021.

  • 35tornadoes
  • 0deaths
  • 19injuries
  • 878per 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 Osceola County?

RatingTornadoesShare
F0 / EF01749%
F1 / EF139%
F2 / EF21029%
F3 / EF339%
F4 / EF413%
F5 / EF500%
Unknown rating13%

Osceola County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 8 in 2010s.1960s41970s41980s31990s72000s62010s82020s3

The 2020s only run to 2021, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1960s4
1970s4
1980s3
1990s7
2000s6
2010s8
2020s3
Tornadoes by month
Bar chart of tornadoes by period. The most is 17 in Jun.Jan0Feb0Mar0Apr1May7Jun17Jul2Aug8Sep0Oct0Nov0Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar0
Apr1
May7
Jun17
Jul2
Aug8
Sep0
Oct0
Nov0
Dec0

Records for Osceola County

  • Strongest: Little Rock, Iowa tornado25 June 2010, EF4, 13 injuries, 13.7 miles long
  • Longest path: Iowa tornado31 May 1971, F3, 46.5 miles long
  • Most recent: Iowa tornado20 August 2021, EF0, 3.6 miles long

Notable tornadoes in Osceola County

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

More in Iowa

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