Jo Daviess County, Illinois tornado history

25 tornadoes recorded in or across Jo Daviess County from 1955 to 2024, coloured by rating on the map.

Tap or scroll to load the interactive map

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 Jo Daviess County

The Storm Prediction Center records 25 tornadoes whose paths touched Jo Daviess County, Illinois between 1955 and 2024. None of them is recorded as having killed anyone. The busiest month is July, with 8 tornadoes. The strongest was an F3 on 19 June 1993. The most recent was on 15 July 2024.

  • 25tornadoes
  • 0deaths
  • 6injuries
  • 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 Jo Daviess County?

RatingTornadoesShare
F0 / EF01040%
F1 / EF1728%
F2 / EF2624%
F3 / EF314%
F4 / EF400%
F5 / EF500%
Unknown rating14%

Jo Daviess County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 6 in 1990s.1950s21960s41970s31990s62000s12010s42020s5

The 2020s only run to 2024, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1950s2
1960s4
1970s3
1990s6
2000s1
2010s4
2020s5
Tornadoes by month
Bar chart of tornadoes by period. The most is 8 in Jul.Jan0Feb0Mar1Apr1May4Jun7Jul8Aug1Sep3Oct0Nov0Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar1
Apr1
May4
Jun7
Jul8
Aug1
Sep3
Oct0
Nov0
Dec0

Records for Jo Daviess County

  • Strongest: Iowa tornado19 June 1993, F3, 14 miles long
  • Longest path: Iowa tornado28 September 1972, F2, 3 injuries, 64.5 miles long
  • Most recent: Illinois tornado15 July 2024, EF2, 15.4 miles long

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

More in Illinois

Embed this map

Copy this code into your web page. It is free to use. Please keep the link under the map, as it is how people find where the map comes from.