Jo Daviess County, Illinois tornadoes

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21confirmed tornadoes since NOAA records began in 1950 (the first here in 1956). Most recent: July 15, 2024, EF2. 2026 so far: 1 preliminary report 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 Jo Daviess County

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The record

At a glance

Total211950 to 2025
Per year0.3average since 1950
Peak monthJune7 of 21
StrongestF3Jun 19, 1993
Deaths0whole paths, see note
Injuries3whole paths, see note

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

Seasons

When tornadoes hit here

By month

70 Jan: 0Feb: 0Mar: 1Apr: 0May: 3Jun: 7Jul: 7Aug: 1Sep: 2Oct: 0Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

June is the peak month, with 7 of 21 tornadoes.

By time of day

60 12 AM: 0: 0: 03 AM: 0: 0: 06 AM: 0: 0: 09 AM: 0: 0: 112 PM: 1: 1: 13 PM: 3: 2: 66 PM: 4: 1: 19 PM: 0: 0: 012 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 5:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

30 1950: 0: 0: 0: 0: 0: 0: 1: 0: 0: 01960: 0: 0: 0: 0: 0: 0: 1: 1: 0: 01970: 1: 0: 0: 0: 1: 0: 0: 0: 0: 01980: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01990: 0: 0: 0: 3: 0: 1: 0: 0: 0: 12000: 0: 0: 0: 0: 0: 0: 0: 2: 0: 02010: 0: 2: 0: 1: 0: 0: 0: 1: 0: 02020: 1: 0: 0: 1: 3: 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. This year so far: 1 preliminary reports.

By rating

EF0
9
EF1
6
EF2
4
EF3
1
Unknown
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

F3, June 19, 1993

14 mile path Longest path

29.81 miles, EF1

July 15, 2024, whole path Widest

500 yards, F2

June 11, 1967
Every tornado

All 21 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Jul 15, 2024EF215.41 mi150 yd00
Jul 15, 2024EF18.07 mi50 yd00
Jul 15, 2024EF129.81 mi100 yd00
Mar 31, 2023EF11.87 mi100 yd03
May 23, 2020EFU0.53 mi20 yd00
Aug 16, 2017EF10.54 mi60 yd00
Jun 12, 2013EF00.5 mi20 yd00
Jul 27, 2011EF00.51 mi17 yd00
Jul 27, 2011EF00.05 mi17 yd00
Jun 1, 2007EF00.5 mi10 yd00
Jun 1, 2007EF23.44 mi350 yd00
May 16, 1999F00.1 mi10 yd00
Jul 27, 1995F00.1 mi10 yd00
Sep 20, 1993F00.2 mi20 yd00
Jun 24, 1993F00.1 mi10 yd00
Jun 19, 1993F314 mi300 yd00
Jun 20, 1974F00.1 mi10 yd00
Sep 9, 1970F214.3 mi70 yd00
Jun 11, 1967F24.3 mi500 yd00
Jul 9, 1966F11.9 mi400 yd00
May 16, 1956F13.3 mi80 yd00
This year

2026 preliminary reports not yet confirmed

Report dateLocationRating
Apr 17, 20262 ESE Galena TerritoryNot yet rated

Preliminary reports from the Storm Prediction Center. One tornado can be reported more than once, and NOAA confirms the final record months later.

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.