Tornado events in LaSalle County, Illinois The tornado events on record, by date and by year

This page is a county record of past events and claims. It does not show the flood zone or the risk of an address. For the flood map of an address, use FEMA's address search (opens in a new tab).

NCEI has 67 tornado events on record for LaSalle County, Illinois, from 1950 through 30 Jun 2026.

The newest tornado event on record is on 11 Jun 2026.

From 2016 through 2025, NCEI has 20 tornado events on record for the county.

The NWS collects event reports from a variety of sources, which include (but are not limited to): county, state, and federal emergency management officials, local law enforcement officials, SKYWARN spotters, NWS damage surveys, newspaper clipping services, the insurance industry, and the general public, among others.
The National Weather Service reports property and crop damage estimates using available data at the time of event reporting. These values should therefore be considered broad estimates. Damage amounts are not adjusted for inflation.
The words of the agency. Source: NOAA NCEI, Storm Events Database, page "Frequently Asked Questions", copied on 2 Oct 2026.

Date of the data: NCEI storm events through 30 Jun 2026. Event types on this page: Tornado.

Newest tornado events on record

Jun 11 2026

TornadoEF3

1 mile SE of STREATOR

TornadoEF unrated

3 miles SE of KERNAN

TornadoEF1

2 miles NW of LEEDS

Apr 17 2026

TornadoEF1

1 mile SW of PETERSTOWN

Jul 14 2024

TornadoEF unrated

2 miles SSE of LEEDS

TornadoEF unrated

1 mile NE of LEEDS

Jul 28 2023

TornadoEF unrated

4 miles NNW of CATHARINE

May 7 2023

TornadoEF unrated

2 miles SW of SERENA

Oct 11 2021

TornadoEF unrated

1 mile SSW of TRIUMPH

Aug 10 2020

TornadoEF1

At OTTAWA

May 30 2018

TornadoEF0

1 mile NNW of (MMO)MARSEILLES

Feb 28 2017

TornadoEF2

2 miles E of RUTLAND

TornadoEF0

At RUTLAND

TornadoEF1

1 mile WSW of (MMO)MARSEILLES

TornadoEF3

3 miles E of UTICA AIRPARK ARPT

TornadoEF0

2 miles WNW of CEDAR PT

Jun 22 2016

TornadoEF2

2 miles W of (MMO)MARSEILLES

TornadoEF1

3 miles WNW of (8N2) SKYDIVE CHICAGO AIRPORT

TornadoEF1

4 miles SSE of PRAIRIE CENTER

TornadoEF1

1 mile SW of TROY GROVE

TornadoEF1

2 miles ENE of BAKER

TornadoEF1

3 miles NNE of EARLVILLE

TornadoEF0

3 miles NNE of EARLVILLE

TornadoEF1

1 mile NNE of EARLVILLE

Jun 22 2015

TornadoEF1

At STAVANGER

A place is the text of the NCEI record: a distance and a direction from a reference place. The site does not show a place text that names a private property or reads as a person. A tornado before February 2007 has a rating on the Fujita scale (F). A later tornado has a rating on the Enhanced Fujita scale (EF).

Tornado events by year

Tornado events on record for LaSalle County by year, 1950 to 2026
Decade	Year that ends in 0	Year that ends in 1	Year that ends in 2	Year that ends in 3	Year that ends in 4	Year that ends in 5	Year that ends in 6	Year that ends in 7	Year that ends in 8	Year that ends in 9	All
1950s	0	0	0	0	0	1	0	0	0	1	2
1960s	1	2	0	0	0	1	0	0	0	0	4
1970s	0	0	2	0	2	1	0	2	2	0	9
1980s	0	0	0	0	1	1	1	1	1	0	5
1990s	0	2	0	0	0	1	1	1	0	0	5
2000s	1	0	0	2	4	0	1	0	0	0	8
2010s	4	0	0	2	1	3	8	5	1	0	24
2020s	1	1	0	2	2	0	4 (part of the year)				10

A darker cell has a larger count. The number is in each cell.

Tornado events are on record from 1950. The year 2026 has the events through 30 Jun 2026 only.

By month, all years

Jan0 events
Feb5 events
Mar0 events
Apr9 events
May7 events
Jun26 events
Jul7 events
Aug4 events
Sep5 events
Oct1 event
Nov2 events
Dec1 event

Magnitudes on record

Tornado events on record for LaSalle County by rating
Rating	Wind estimate of the scale	Events
EF0 or F0	65 to 85 mph (EF0)	19
EF1 or F1	86 to 110 mph (EF1)	23
EF2 or F2	111 to 135 mph (EF2)	13
EF3 or F3	136 to 165 mph (EF3)	3
EF4 or F4	166 to 200 mph (EF4)	0
EF5 or F5	more than 200 mph (EF5)	0
Unrated	no rating on record	9

Tornadoes may contain multiple segments. A tornado that crosses a county line or state line is considered a separate segment.

The words of the agency. Source: NOAA NCEI, Storm Events Database, page "Frequently Asked Questions", copied on 2 Oct 2026.

The Enhanced F-scale still is a set of wind estimates (not measurements) based on damage.

The words of the agency. Source: NOAA NWS Storm Prediction Center, Enhanced Fujita Tornado Damage Scale, copied on 2 Oct 2026.

The wind estimates are those of the Enhanced Fujita scale.

Beside the other counties

Tornado events on record: LaSalle County beside the total of the counties of Illinois and of the United States
Measure	LaSalle	All counties of Illinois	All counties of the United States
Tornado events, 1950 to 2026	67	3,647	81,254
Events for each 100 square miles	5.9	6.6	2.3
Events for each 10,000 residents	6.1	2.9	2.4

The columns for the state and the United States total the counties. They count the events of each county in the same way as the county column. A forecast zone with another name than a county counts for the state only.

More tornado events on record

Tornado events on record for LaSalle County, newest first, without the 25 newest events above
Date	Event type	Magnitude	Damage estimate	Deaths	Injuries	On record for
22 Jun 2015	Tornado	EF1	$100 thousand	0	0	County
22 Jun 2015	Tornado	EF1	$100 thousand	0	0	County
30 Jun 2014	Tornado	EF1	$250 thousand	0	0	County
17 Nov 2013	Tornado	EF2	$150 thousand	0	0	County
1 Sep 2013	Tornado	EF0	none	0	0	County
5 Jun 2010	Tornado	EF0	$5 thousand	0	0	County
5 Jun 2010	Tornado	EF2	$7.0 million	0	17	County
5 Jun 2010	Tornado	EF0	none	0	0	County
5 Jun 2010	Tornado	EF0	none	0	0	County
14 Apr 2006	Tornado	F0	none	0	0	County
20 Apr 2004	Tornado	F3	none	8	7	County
20 Apr 2004	Tornado	F2	none	0	0	County
20 Apr 2004	Tornado	F1	none	0	0	County
20 Apr 2004	Tornado	F0	none	0	0	County
30 May 2003	Tornado	F0	none	0	0	County
30 May 2003	Tornado	F0	none	0	0	County
18 May 2000	Tornado	F0	none	0	0	County
11 Jun 1997	Tornado	F0	none	0	0	County
19 Apr 1996	Tornado	F1	none	0	0	County
9 Aug 1995	Tornado	F0	none	0	0	County
25 May 1991	Tornado	F0	none	0	0	County
29 Apr 1991	Tornado	F1	$25 thousand	0	0	County
8 May 1988	Tornado	F1	$250 thousand	0	2	County
16 Aug 1987	Tornado	F2	$250 thousand	0	0	County
29 Sep 1986	Tornado	F1	$250 thousand	0	0	County
9 Jul 1985	Tornado	F2	$250 thousand	0	8	County
29 Apr 1984	Tornado	F1	$250 thousand	0	0	County
25 Jun 1978	Tornado	F1	$3 thousand	0	0	County
25 Jun 1978	Tornado	F2	$25 thousand	0	0	County
30 Jun 1977	Tornado	not recorded	$25 thousand	0	0	County
30 Jun 1977	Tornado	not recorded	none	0	0	County
14 Jun 1975	Tornado	F2	$250 thousand	0	0	County
12 Sep 1974	Tornado	F2	$3 thousand	0	0	County
1 Jul 1974	Tornado	F0	none	0	0	County
23 Aug 1972	Tornado	F1	$3 thousand	0	0	County
14 Jul 1972	Tornado	F0	$3 thousand	0	1	County
12 Nov 1965	Tornado	F2	$250 thousand	0	0	County
30 Sep 1961	Tornado	F1	$25 thousand	0	0	County
21 Jul 1961	Tornado	F0	$3 thousand	0	0	County
4 Jun 1960	Tornado	not recorded	$250	0	0	County
26 Sep 1959	Tornado	F2	$25 thousand	0	0	County
3 Dec 1955	Tornado	F2	$30	0	0	County

The table has all other events on record. A damage figure is an estimate in the NCEI record.

Official channels

NCEI Storm Events Database (opens in a new tab)Search the full NCEI record by state, county and date.
National Weather Service: Chicago, IL (opens in a new tab)The forecast office that issues the weather warnings for the county.
FEMA Flood Map Service Center: Search By Address (opens in a new tab)Search an address to see its flood map. This site has no flood-zone data.

These links open the pages of the agencies. The site checked the links on 2 Oct 2026.

Cite this page

County Hazards. "Tornado events on record for LaSalle County, Illinois". https://countyhazards.com/county/il/lasalle/tornado/. Data: NOAA NCEI Storm Events Database through 30 Jun 2026. Page made on 2 Oct 2026.

Questions

Which month has the most tornado events on record for LaSalle County?: June has 26 of the 67 tornado events on record from 1950 through 30 Jun 2026.
How many tornado events are on record for Illinois?: NCEI has 3,647 tornado events on record for Illinois from 1950 through 30 Jun 2026. That count has every forecast zone of the state.
How does LaSalle County compare with the other counties of Illinois?: The counties of Illinois have 6.6 tornado events for each 100 square miles. LaSalle County has 5.9.
Which tornado ratings are on record for LaSalle County?: 42 tornado events have a rating of EF0, F0, EF1 or F1. 16 events have a higher rating. 9 events have no rating.