Severe Weather History


Hazard archive · 1950 — present

Tornado in McLean County, Illinois

121

Recorded events

0

Direct deaths

5

Direct injuries

$20.3M

Property damage

Tornado in McLean County, Illinois: 121 recorded events between 1950 and 2025. The strongest on record measured F3. That places the county #21 nationally and #1 statewide for this hazard.

Decade by decade

Tornado in McLean County, Illinois: events per decade

Tornado in McLean County, Illinois: recorded events per decade
Tornado in McLean County, Illinois: recorded events per decade

Reporting practice changed over time — early decades are undercounted, not calmer.

The busiest decade for tornado in McLean County is the 1980s, when 26 of the county's 121 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.

Within the McLean County archive, tornado makes up 15.9% of all recorded severe weather across 7 hazard types. Nationally the county sits at #21 for this hazard and #1 within Illinois, putting it in the 99.3 percentile of all U.S. counties.

Seasonality

Events by month

2Jan
0Feb
6Mar
21Apr
24May
38Jun
6Jul
9Aug
4Sep
1Oct
4Nov
6Dec

Jun is the peak month for tornado in McLean County with 38 recorded events, while Feb is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.

Tornado tracks

Paths crossing this county

DateScalePath lengthMax widthOrigin
1977-05-05EF47.3 mi1,000 ydCrossed in
1996-04-19EF39.4 mi880 ydCrossed in
1974-04-03EF37.4 mi350 ydTouched down here
2018-12-01EF22.4 mi100 ydTouched down here
2004-05-23EF213.1 mi240 ydTouched down here
2000-05-08EF24.0 mi400 ydTouched down here
1986-09-29EF29.0 mi50 ydTouched down here
1982-08-24EF223.5 mi300 ydTouched down here
1981-04-13EF20.1 mi10 ydTouched down here
1976-06-29EF20.1 mi10 ydTouched down here
Source: NOAA SPC SVRGIS tornado tracks · path geometry intersected with county boundaries

Significant events

Deadliest on record

DateLocationScaleDeathsInjuriesDamage
May 9, 2000SHAMROCKF204$175K
Mar 4, 1961F101$250K
Source: NOAA/NCEI Storm Events · dates UTC

Most recent

Latest recorded events

DateLocationMagnitudeDamage
Dec 28, 2025SAYBROOKEF1$0
Jun 18, 2025LAURETTEEFU$0
Jun 14, 2024ANCHOREF1$0
Jun 14, 2024ANCHOREF1$0
Jun 14, 2024BALLARDEF1$0
Jun 14, 2024BALLARDEF1$0
Jun 14, 2024BALLARDEF1$0
Jan 3, 2023TROSTEREF1$0
Sep 19, 2022LE ROYEF0$0
Apr 30, 2022COLFAXEFU$0
Source: NOAA/NCEI Storm Events · dates UTC · recent entries may be preliminary

Other hazards here

More from McLean County

County overview →

From the record

What the reports say

Written by National Weather Service staff at the time of the event · public domain

Quick answers

Frequently asked

How many tornado events are on record in McLean County, Illinois?

121 tornado events are recorded in McLean County between 1950 and 2025, causing 0 direct deaths.

What is the strongest tornado recorded in McLean County?

The strongest tornado on record in McLean County measured F3.

Where does the tornado data for McLean County come from?

All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.

Cite this page

“Tornado in McLean County, Illinois.” Severe Weather History. severeweatherhistory.com/county/illinois/mclean-county/tornado/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


Historical reference only — for official alerts visit weather.gov