Hancock County, Illinois tornado history

33 tornadoes recorded in or across Hancock County from 1955 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 Hancock County

The Storm Prediction Center records 33 tornadoes whose paths touched Hancock County, Illinois between 1955 and 2023. None of them is recorded as having killed anyone. The busiest month is April, with 14 tornadoes. The strongest was an F4 on 13 May 1995. The most recent was on 6 August 2023.

  • 33tornadoes
  • 0deaths
  • 22injuries
  • 416per 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 Hancock County?

RatingTornadoesShare
F0 / EF01236%
F1 / EF11236%
F2 / EF2412%
F3 / EF339%
F4 / EF413%
F5 / EF500%
Unknown rating13%

Hancock County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 8 in 1990s.1950s31960s31970s71980s41990s82000s52010s22020s1

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

Show the numbers
PeriodCount
1950s3
1960s3
1970s7
1980s4
1990s8
2000s5
2010s2
2020s1
Tornadoes by month
Bar chart of tornadoes by period. The most is 14 in Apr.Jan0Feb0Mar2Apr14May5Jun8Jul1Aug1Sep1Oct1Nov0Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar2
Apr14
May5
Jun8
Jul1
Aug1
Sep1
Oct1
Nov0
Dec0

Records for Hancock County

  • Strongest: Nauvoo, Illinois tornado13 May 1995, F4, 7 injuries, 50 miles long
  • Longest path: Illinois tornado21 July 1961, F1, 147.4 miles long
  • Most recent: Illinois tornado6 August 2023, Unknown rating, 8 miles long

Notable tornadoes in Hancock County

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

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