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Westmont, IL Tornado History — 195 Tornadoes Since 1950

Illinois · 25-mile radius · NOAA Storm Prediction Center

How many tornadoes has Westmont, IL had?

Westmont has had 195 tornadoes on record within 25 miles since 1950, including 9 strong to violent (EF3+) tornadoes.

When was the most recent tornado near Westmont?

The most recent tornado within 25 miles of Westmont was an EF0 on March 19, 2025.

When is tornado season in Westmont?

July is historically the peak month for tornadoes near Westmont, with 48 on record. April through June account for 82 of the 195 tornadoes on record near Westmont.

At a Glance

Tornadoes Since 1950
195
Within search radius
Violent (EF3+)
9
4.6% of total
Peak Month
July
48 on record
Per Year Avg
2.6
Across 76 years

Recent Tornado Activity Near Westmont

The last 20 years of confirmed tornadoes within 25 miles — 92 total, averaging 4.6 per year over this window.

2026 0+11 prelim
2025 5
2024 33
2023 19
2022 6
2021 3
2020 6
2019 1
2018 1
2017 0
2016 1
2015 3
2014 1
2013 1
2012 0
2011 3
2010 1
2009 0
2008 4
2007 4

Striped bars mark preliminary reports not yet confirmed by NWS survey — excluded from the confirmed counts.

Preliminary tornado reports near Westmont since December 29, 2025

These are 11 preliminary reports, not confirmed tornadoes. They have not yet been through an NWS damage survey, and are not counted in the confirmed totals above.

Preliminary reports are revised, merged, and sometimes withdrawn — historically about 23% are consolidated downward once surveys complete. Ratings are omitted until a survey assigns one.

Confirmed records above are complete through December 29, 2025. NOAA publishes the confirmed archive annually, so tornadoes after that date appear here first and move into the totals above once finalized.

Preliminary EF1° August 11, 2026
1 ESE Homewood, Cook County, IL
An EF-1 tornado began west of Halsted between 183rd and 187th... crossing Halsted and causing structural damage to a strip mall and several buildings in an apartment co (LOT)
Preliminary EF1° August 11, 2026
3 SE Homer Glen, Cook County, IL
NWS survey confirms an EF-1 tornado with peak winds near 105 mph... peak width of 300 yards... and path length of 22.4 miles. (LOT)
Preliminary EF0° August 11, 2026
2 W Oswego, Kendall County, IL
NWS survey confirms an EF-0 tornado with peak winds near 75 mph... peak width of 150 yards... and path length of 5.2 miles. (LOT)
Preliminary EF0° July 28, 2026
Wheaton, DuPage County, IL
NWS survey confirms a brief EF-0 tornado started just south of Wheaton College. Tornado was on the ground for 2 minutes or less. Peak width of 100 yards and winds of 75 (LOT)
Preliminary July 27, 2026
1 ENE Hazel Crest, Cook County, IL
Likely portion of tornado path in/near Markham. Concentrated area of tree damage along westbound I-80/I-294 at the Dixie Highway exit directly east and west of the exit (LOT)
Preliminary EF0° July 27, 2026
3 NW Orland Park, Cook County, IL
An NWS damage survey confirmed an EF-0 tornado with peak winds of 85 mph... path length of 2.9 miles... and max width of 250 yards impacted Orland Park. (LOT)
Preliminary July 27, 2026
1 NNW Glen Ellyn, DuPage County, IL
Photo passed along of a tornado in Glen Ellyn... close to location of radar-indicated TDS. (LOT)
Preliminary EF2° June 12, 2026
1 S Willow Springs, Cook County, IL
*** 6 INJ *** NWS survey confirms a preliminary EF-2 tornado. Peak winds of 120 mph... width of 350 yards... and length of 8.4 miles. (LOT)
Preliminary EF0° June 12, 2026
2 ESE Naperville, DuPage County, IL
NWS survey confirms a preliminary EF-0 tornado. Peak winds of 80 mph... width of 150 yards... and length of 1.3 miles. (LOT)
Preliminary EF1° June 12, 2026
2 NE Wayne, DuPage County, IL
An NWS damage survey confirmed an EF-1 tornado with estimated peak winds of 100 MPH... path length of 3.0 miles... and maximum width of 400 yards impacted Bartlett... c (LOT)
Preliminary EF0° June 10, 2026
1 E Palos Heights, Cook County, IL
NWS survey confirmed a preliminary EF-0 tornado. Path length of 2.5 miles... max width of 175 yards... and peak winds of 80 mph. (LOT)

Within 25 miles of Westmont. Quoted text is the report narrative exactly as filed. Source: NOAA Storm Prediction Center preliminary storm reports, updated daily.

Tornadoes by Decade

1950s 16
1960s 26
1970s 28
1980s 16
1990s 11
2000s 14
2010s 12
2020s 72

Tornadoes by Enhanced Fujita Rating

F0–F5 ratings (pre-2007) are grouped with their EF equivalents. The Enhanced Fujita scale replaced the original Fujita scale in February 2007.

EF0 83
EF1 73
EF2 30
EF3 5
EF4 3
EF5 1

Tornadoes by Month

Jan 0
Feb 7
Mar 17
Apr 26
May 20
Jun 36
Jul 48
Aug 29
Sep 8
Oct 1
Nov 3
Dec 0

Casualties on Record Near Westmont

72 fatalities have been recorded within 25 miles of Westmont since 1950, across 9 events. 1,313 injuries have been reported across all events. 1967 was the deadliest year on record near Westmont.

The deadliest single event was an F4 on April 21, 1967, which caused 33 fatalities along a 15.0-mile track.

Notable Tornadoes Near Westmont

Deadliest Tornado
F4 on April 21, 1967 — 33 fatalities, 15.0 mi path, 200 yd wide.
Costliest Tornado
F3 on March 27, 1991 — est. ~$27.5M (NOAA damage class, pre-1996 estimate).
Widest Tornado
F4 on June 13, 1976 — 1,760 yards wide.
Longest Path
F3 on July 17, 1972 — 81.5 mile track.
Most Recent
EF0 on March 19, 2025.

What the record shows near Westmont

The 2020s are the busiest decade on record so far near Westmont, with 72 of the 195 confirmed tornadoes within 25 miles. The Westmont record runs from the 1950s to today.

Of the tornadoes rated near Westmont, 156 reached EF0 or EF1 and 39 reached EF2 or stronger. The most intense on record near Westmont is rated EF5, of which 1 is logged.

Across the last 20 years Westmont has averaged 4.6 confirmed tornadoes a year within 25 miles, 92 in total. 2024 was the busiest of them with 33, and 4 of those years passed with none at all.

Frequently Asked Questions

How many tornadoes has Westmont, IL had?
Since 1950, 195 tornadoes have been recorded within 25 miles of Westmont. Data source: NOAA Storm Prediction Center.
What was the deadliest tornado near Westmont?
The deadliest tornado on record within 25 miles of Westmont was an F4 on April 21, 1967, which caused 33 fatalities.
When is tornado season in Westmont?
July is historically the peak month for tornadoes near Westmont, with 48 tornadoes on record. Tornadoes can occur any time of year, but spring months (April–June) generally see the highest activity across most of the central and southern United States.
Has Westmont been hit by an EF4 or EF5 tornado?
Within 25 miles of Westmont, there have been 1 EF5 and 3 EF4 tornadoes recorded since 1950. EF4 and EF5 tornadoes are the most destructive ratings on the Enhanced Fujita scale, with winds above 166 mph.
When was the most recent tornado near Westmont?
The most recent tornado within 25 miles of Westmont was an EF0 on March 19, 2025.
How do I get tornado warnings for Westmont?
Vortex delivers real-time tornado warnings, severe thunderstorm alerts, and SPC outlook updates for any US location via push notification and phone call. Alerts are sourced directly from the National Weather Service and updated within seconds of issuance.

Official Resources

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