Tornado History Map

Poweshiek County, Iowa tornado history

36 tornadoes recorded in or across Poweshiek County from 1953 to 2023, 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 Poweshiek County

The Storm Prediction Center records 36 tornadoes whose paths touched Poweshiek County, Iowa between 1953 and 2023. They killed 6 people and injured 60. The busiest month is May, with 8 tornadoes. The strongest was an F3 on 16 September 1978. The most recent was on 31 March 2023.

  • 36tornadoes
  • 6deaths
  • 60injuries
  • 615per 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 Poweshiek County?

RatingTornadoesShare
F0 / EF0925%
F1 / EF11233%
F2 / EF2822%
F3 / EF3411%
F4 / EF400%
F5 / EF500%
Unknown rating38%

Poweshiek County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 8 in 2010s.1950s31960s71970s51980s21990s22000s72010s82020s2

The 2020s only run to 2023, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1950s3
1960s7
1970s5
1980s2
1990s2
2000s7
2010s8
2020s2
Tornadoes by month
Bar chart of tornadoes by period. The most is 8 in May.Jan0Feb0Mar3Apr7May8Jun7Jul2Aug1Sep3Oct2Nov3Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar3
Apr7
May8
Jun7
Jul2
Aug1
Sep3
Oct2
Nov3
Dec0

Records for Poweshiek County

  • Deadliest and Strongest: Rhodes, Iowa tornado16 September 1978, F3, 6 deaths, 45 injuries, 31.8 miles long
  • Longest path: Iowa tornado7 June 1953, F2, 116 miles long
  • Most recent: Iowa tornado31 March 2023, Unknown rating, 3.6 miles long

Notable tornadoes in Poweshiek 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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