Harvey, IL Tornado History — 160 Tornadoes Since 1950
How many tornadoes has Harvey, IL had?
Harvey has had 160 tornadoes on record within 25 miles since 1950, including 8 strong to violent (EF3+) tornadoes.
When was the most recent tornado near Harvey?
The most recent tornado within 25 miles of Harvey was an EF0 on March 19, 2025.
When is tornado season in Harvey?
June is historically the peak month for tornadoes near Harvey, with 41 on record. April through June account for 71 of the 160 tornadoes on record near Harvey.
At a Glance
Recent Tornado Activity Near Harvey
The last 20 years of confirmed tornadoes within 25 miles — 87 total, averaging 4.3 per year over this window.
Preliminary tornado reports near Harvey since December 29, 2025
These are 8 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Preliminary reports are revised, merged, and sometimes withdrawn — historically about 23% are consolidated downward once surveys complete.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.
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)
NWS survey confirms an EF-2 tornado with peak winds near 115 mph... peak width of 300 yards... and path length of 25.8 miles. (LOT)
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)
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)
Corrects previous tornado report from 2 E Glenwood. An NWS storm survey confirmed an EF-1 tornado with peak winds of 110 mph... peak width of 225 yards... and path leng (LOT)
*** 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)
NWS survey confirms a preliminary EF-0 tornado. Peak winds of 80 mph... width of 150 yards... and length of 4.1 miles. (LOT)
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 Harvey. Quoted text is the report narrative exactly as filed. 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 Harvey
68 fatalities have been recorded within 25 miles of Harvey since 1950, across 6 events. 1,184 injuries have been reported across all events. 1967 was the deadliest year on record near Harvey.
The deadliest single event was an F4 on April 21, 1967, which caused 33 fatalities along a 15.0-mile track.
Notable Tornadoes Near Harvey
What the record shows near Harvey
The 2020s are the busiest decade on record so far near Harvey, with 50 of the 160 confirmed tornadoes within 25 miles. The Harvey record runs from the 1950s to today.
Of the tornadoes rated near Harvey, 127 reached EF0 or EF1 and 32 reached EF2 or stronger. The most intense on record near Harvey is rated EF5, of which 1 is logged. A further 1 near Harvey is unrated — events NOAA logged before a damage survey assigned a scale.
Across the last 20 years Harvey has averaged 4.3 confirmed tornadoes a year within 25 miles, 87 in total. 2024 was the busiest of them with 23, and 4 of those years passed with none at all.