Calhoun County, Illinois tornadoes

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10confirmed tornadoes since NOAA records began in 1950 (the first here in 1958). Most recent: June 18, 2025, EF1. 2026 so far: 0 preliminary reports 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.

The record

At a glance

Total101950 to 2025
Per year0.1average since 1950
Peak monthFebruary2 of 10
StrongestF3Mar 13, 2006
Deaths0whole paths, see note
Injuries30whole paths, see note

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

Seasons

When tornadoes hit here

By month

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

February is the peak month, with 2 of 10 tornadoes.

By time of day

20 12 AM: 0: 2: 03 AM: 0: 0: 06 AM: 0: 0: 09 AM: 1: 0: 112 PM: 0: 1: 13 PM: 1: 0: 06 PM: 0: 2: 09 PM: 0: 0: 112 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 1:00 AM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

20 1950: 0: 0: 0: 0: 0: 0: 0: 0: 1: 01960: 0: 0: 0: 0: 0: 0: 0: 0: 0: 11970: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01980: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01990: 0: 0: 0: 0: 0: 0: 0: 0: 1: 22000: 0: 0: 1: 0: 0: 0: 2: 0: 0: 02010: 1: 0: 0: 0: 0: 0: 0: 0: 0: 02020: 0: 0: 0: 0: 0: 119501960197019801990200020102020

The line is the five-year average. Tornadoes before about 1953 were under-reported, and better radar since the 1990s finds more weak ones.

By rating

EF0
3
EF1
3
EF2
3
EF3
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, March 13, 2006

44.5 mile path Longest path

67 miles, F2

March 12, 2006, whole path Widest

880 yards, F2

March 12, 2006
Every tornado

All 10 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Jun 18, 2025EF13.56 mi100 yd00
Dec 31, 2010EF03.64 mi50 yd00
Mar 13, 2006F344.5 mi300 yd06
Mar 12, 2006F267 mi880 yd020
May 7, 2002F00.1 mi25 yd00
Feb 11, 1999F13 mi50 yd00
Feb 11, 1999F221.1 min/a00
Jun 14, 1998F11.2 mi80 yd00
Oct 10, 1969F20.3 mi100 yd04
May 31, 1958F08.8 mi10 yd00
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 12, 2026.