Hanover Park, IL Tornado History — 160 Tornadoes Since 1950
How many tornadoes has Hanover Park, IL had?
Hanover Park has had 160 tornadoes on record within 25 miles since 1950, including 7 violent (EF3+) tornadoes.
When was the most recent tornado near Hanover Park?
The most recent tornado within 25 miles of Hanover Park was an EF0 on March 14, 2025.
When is tornado season in Hanover Park?
July is historically the peak month for tornadoes near Hanover Park, with 38 on record. Spring through early summer (April–June) generally sees the highest activity across most of the central and southern United States.
At a Glance
Recent Tornado Activity Near Hanover Park
The last 20 years of confirmed tornadoes within 25 miles — 80 total, averaging 4.0 per year over this window.
Preliminary tornado reports near Hanover Park since December 29, 2025
These are 7 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Preliminary reports are revised, merged, and sometimes withdrawn — historically about 23% are consolidated downward once surveys complete.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.
Within 25 miles of Hanover Park. Source: NOAA Storm Prediction Center preliminary storm reports, updated daily.
Tornadoes by Decade
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.
Tornadoes by Month
Casualties on Record Near Hanover Park
42 fatalities have been recorded within 25 miles of Hanover Park since 1950, across 7 events. 859 injuries have been reported across all events. 1990 was the deadliest year on record.
The deadliest single event was a F5 on August 28, 1990, which caused 29 fatalities along a 16.4-mile track.
Notable Tornadoes Near Hanover Park
About Tornadoes in Hanover Park
This overview was written April 23, 2026. The tornado counts and notable-event figures elsewhere on this page reflect the latest data and may differ from this summary.
Hanover Park, Illinois sits in a region with substantial tornado activity. According to the NOAA Storm Prediction Center, 152 tornadoes have been recorded within 25 miles of the city since 1950. The 2020s have seen a marked increase in frequency, with 56 tornadoes documented so far this decade—more than double any previous decade. The 1970s previously held the record with 23 events, while the 1950s through 2010s each saw between 8 and 20 tornadoes per decade.
The intensity distribution shows that most tornadoes in this area have been relatively weak. Of the 152 recorded events, 69 were rated EF0 and 53 were rated EF1, meaning the majority caused minor to moderate damage. However, the region has also experienced severe tornadoes: 23 were rated EF2, one reached EF3 intensity, four achieved EF4 strength, and one tornado was rated EF5—the most intense classification on the Enhanced Fujita scale. One historical event remains unrated.
July is the peak month for tornado activity near Hanover Park, accounting for 35 of the recorded events. The most recent tornado occurred on March 15, 2025, an EF0 with a 0.8-mile path and maximum width of 50 yards that caused no injuries or property damage. The deadliest tornado on record was an F5 that struck on August 28, 1990, killing 29 people and carving a 16.4-mile path up to 600 yards wide. Despite its extreme intensity, reported property damage was listed at $275,000.
The costliest tornado was an F2 that occurred on March 4, 1961, causing $27,500,000 in property damage and one fatality along a 7.9-mile track. The widest tornado reached 1,760 yards across during an F4 event on June 13, 1976, which killed two people and caused $2,750,000 in damage over a 3.3-mile path. The longest-tracked tornado was an F1 on July 15, 1972, which traveled 21.9 miles with a narrow 10-yard width, causing $2,750,000 in damage but no fatalities.